Hitoshi Ohzu Dr. Techn., T. H. Wien Prof. Emeritus, Dept. of Applied Physics, Waseda University, Tokyo, e-mail: ohzu mn.waseda.ac.jp ; Abstract 1 ; Light and Environment: The beautiful rainbow itself is physical phenomena, i.e., distribution of small water drips, where the man sees all kinds of color through the visual functions. Green woods, lakes and houses are well percepted by vision with help of light. During several hundred million years, human being is created gradually on the earth harmonizing with the environment. All kinds of living body as well as the earth itself consists under favour of the electro-magnetic radiation energy from the sun. In large extent of the electro-magnetic waves, the light is most important for the living body. 2 ; Progress in Optics: Last several centuries, geometrical optics constructed by many scientists, and today we know the light as the solution of Maxwell's equation, i.e. electro-magnetic waves of round 1015 Hz, and also the quantum particles. In 1960, the coherent laser light had been invented which developed many useful technologies, not only for industrial but also for medicine and biology. 3 ; Laser Medicine: Coherent light is able to focus into a tiny point with high Energy. The first medical use was the eye fundus coagulation, then the operation of the brain diseases because of the effect of quick stopping blood. On the other hands, the coherent laser light is useful for the precision measurements. Many sophisticated technology applications of interference, diffraction and so on, has been made a great progress in technologies, which are also applicable to the research of human beings. For example, optical computer tomography, near fields microscopy, 3-dimentional holographic observation of the eye, etc. Some of them will be briefly reviewed in this lecture. 4 ; Light Optical ; Physiology: For the study of brain system, and further the minds and the spirits, from being to becoming, new optical approaches are expected in this century. As well known, the brain neurons are complicated like purkinje cells, which have many branches. In order to study the signal transmission in such spatially and temporally extended network, a new type of optical physiological method complementary to the electro-physiology should be developed. 5 ; Laser and Living Body: The BDORT uses laser to get some signals from the skin. The mechanism how the coherent light does conduct in a living body is unfortunately unknown. The molecular or some cells near skin may perhaps be affected by the coherent light, their phase and wavelength, but more researches will be needed. References ; 1 ; Application of Holography, ed.by Barrekkete, et al. Plenam Press 1971 ; 2 ; Laser Medicine-Basic and Clinics, ed. by K sumi, Nakayama Press 1980 ; 3 ; Optical Methods in Biomedical and Environmental Science, OWLS-Optics Within Life Science Series Vol.3 ; ed.by H.Ohzu and S.Komatsu, Elsevier, Amsterdam 1994 ; 4 ; New Optical Microscopy, ed.by T.Fujita, et al.Vol.1, 2.Gakusaikikaku Press 1995.
Case Presentation and Decision Point 1 A 45-year-old man makes his first visit to the office. He has a 15-year history of HIV infection and prior exposure to stavudine, didanosine, zidovudine, lamivudine, nevirapine, nelfinavir, and indinavir. His regimen for the past year has been indinavir ritonavir stavudine abacavir. His CD4 + cell count is 300 L nadir count of 100 L ; and plasma HIV-1 RNA level is 12, 000 copies mL. Phenotypic assay results show the following changes in susceptibility: 70-fold to zidovudine, greater than 100-fold to lamivudine, 5-fold to didanosine and stavudine, 10-fold to abacavir, 5-fold to efavirenz, 10-fold to lopinavir, 12-fold to amprenavir, and 6-fold to tenofovir. Is this patient best managed by continuing the current regimen, recommending a structured treatment interruption, instituting a mega-combination regimen of zidovudine lamivudine didanosine abacavir efavirenz nevirapine lopinavir ritonavir amprenavir hydroxyurea, instituting a regimen of abacavir tenofovir efavirenz lopinavir ritonavir amprenavir, or seeking out a clinical trial or expanded access program for new agents? Discussion The patient's susceptibility profile shows multiple drug resistance with high-level zidovudine and NNRTI resistance. In a patient with moderately depressed CD4 + cell count and moderately elevated viral load, maintaining the current regimen and seeking out investigational options are reasonable choices. Use of the abacavir tenofovir efavirenz lopinavir ritonavir amprenavir regimen is also a reasonable option. If the latter regimen is chosen, one would be most reliant on the ritonavirenhanced dual-PI component and.
Cinacalcet drug index indications & dosage indications and usage sensipar is indicated for the treatment of secondary hyperparathyroidism in patients with chronic kidney disease on dialysis.
Subjects in the study had their first bout of OM under a year of age. This is consistent with the findings of others. Prevention and Therapy of Serous Otitis Media by Oral Decongestants. A DoubleBlind Study in Pediatric Practice. Olson, AL; Klein SW; Charney E. MacWhinney JB Jr., McInerny TK, Miller RL, Nazarian LF, Cunningham D. et al Pediatrics Vol. 62, May 1978, 679-84. Pharyngitis-57% of patients with phyaryngitis were treated on the first day of sore throat with spinal manipulative therapy and salt water gargle. All were symptom free the second day. Laryngitis- 100% of patients with laryngitis were treated on the first day of illness, with spinal manipulative therapy and voice function returned to normal within one day. Characteristics of 217 children attending a chiropractic college teaching clinic. Nyiendo J. Olsen E. JMPT, 1988; 11 2 ; : 78084. The authors found that pediatric patients at Western States Chiropractic College public clinic commonly had ordinary complaints of ear-infection, sinus problems, allergy, bedwetting, respiratory problems, and gastro-intestinal problems. Complete or substantial improvement had been noted in 61.6% of pediatric patients of their chief complaint, 60.6% received "maximum" level of improvement while only 56.7% of adult patients received "maximum" level of improvement. Allergy airway disease and otitis media in children. Todd NW, Feldman CM, Int J Pediatr Otorhinolaryngol 1985: 10 1 ; : 27-35. Musculoskeletal eustachian tube dysfunction is an important etiological factor for otitis media. The eustachian tube dysfunction manifests primarily by poor ventilation from the nasopharynx to the middle ear, by allowing negative pressure in the middle ear. Treatment protocols for the chiropractic care of common pediatric conditions: otitis media and asthma. Vallone S and Fallon JM Journal of Clinical Chiropractic Pediatrics Vol 2, No.1 1997. P. 113-115 This paper's purpose presents the results of a survey of chiropractors enrolled in the first year of a three year postgraduate course in chiropractic pediatrics. The survey sought to establish if consensus existed with respect to the modalities these doctors used to treat two of the most common childhood disorders seen by chiropractors: otitis media and asthma. Thirty-three doctors of chiropractic participated in the survey. "Of the primary therapeutic modalities employed by the chiropractor, spinal adjusting was the most commonly used for both asthma and otitis media. Certain areas of the spine were addressed most frequently for each of the two conditions. Chiropractic results with a child with recurring otitis media accompanied by effusion. Chiropractic Pediatrics, 1996; 2: 8-10. Author's Abstract Abridged ; : A case study of five year old male with recurring otitis media is reviewed. Chiropractic Biophysics spinal analysis methods and adjusting procedures were applied over a six month period. During the six months of adjustments, the child had only one middle ear infection with mild effusion. In the previous year, the child had recur, for example, stavudine 40 mg.
30. Petit JM, Duong M, Duvillard L, et al. HIV-1 protease inhibitors induce an increase of triglyceride level in HIV-infected men without modification of insulin sensitivity a longitudinal study. Horm Metab Res 2000; 32: 36772. Dong KL, Bausserman LL, Flynn MM, et al. Changes in body habitus and serum lipid abnormalities in HIV-positive women on highly active antiretroviral therapy HAART ; . J Acquir Immune Defic Syndr 1999; 21: 10713. Walmsley S, Bernstein B, King M, et al. Lopinavir-ritonavir versus nelfinavir for the initial treatment of HIV infection. N Engl J Med 2002; 346: 203946. Murphy RL, Brun S, Hicks C, et al. ABT-378 ritonavir plus stavudine and lamivudine for the treatment of antiretroviral-naive adults with HIV-1 infection: 48-week results. AIDS 2001; 15: F19. 34. Johnson M, Beall G, Badley A. A phase III, randomised, double-blind trial of Kaletra ABT-378 r ; + stavudine d4T ; and lamivudine 3TC ; vs nelfinavir + d4T 3TC [abstract PL 6.6]. In: Program and abstracts of the 5th International Congress on Drug Therapy in HIV Infection Glasgow, Scotland ; . 2000. 35. Dube MP, Edmondson-Melancon H, Qian D, Aqeel R, Johnson DJ, Buchanan TA. Prospective evaluation of the effect of initiating indinavir-based therapy on insulin sensitivity and B-cell function in HIV-infected patients. J Acquir Immune Defic Syndr 2001; 27: 1304. Segerer S, Bogner JR, Walli R, Loch O, Goebel FD. Hyperlipidemia under treatment with proteinase inhibitors. Infection 1999; 27: 7781. Moyle GJ, Baldwin C. Lipid abnormalities during saquinavir softgelbased highly active antiretroviral therapy. J Acquir Immune Defic Syndr 1999; 21: 4234. Gatell J, Squires K, Piliero P, Sanne I, Wood R, Schnittman SM. Atazanavir BMS-232632 ; : Absence of serum lipid changes after 48 weeks of treatment in treatment-naive HIV-positive subjects Trial AI424007 ; . Antiviral Therapy 2001; 6 Suppl 4 ; : 49. 39. Matthews GV, Moyle GJ, Mandalia S, Bower M, Nelson M, Gazzard BG. Absence of association between individual thymidine analogues or nonnucleoside analogues and lipid abnormalities in HIV-1 infected persons on initial therapy. J Acquir Immune Defic Syndr 2000; 24: 3105. Kumar P, Rodriguez-French A, Thompson M, et al. Prospective study of hyperlipidemia in ART-naive subjects taking combivir abacavir COM ABC ; , COM nelfinavir NFV ; , or stavudine d4T ; lamivudine 3TC ; NFV ESS40002 ; [abstract 33]. In: Program and abstracts of the 9th Conference on Retroviruses and Opportunistic Infections Seattle ; . Alexandria, VA: Foundation for Retrovirology and Human Health, 2002: 64. 41. Eron JJ Jr, Murphy RL, Peterson D, et al. A comparison of stavudine, didanosine and indinavir with zidovudine, lamivudine and indinavir for the initial treatment of HIV-1 infected individuals: selection of thymidine analog regimen therapy START II ; . AIDS 2000; 14: 160110. Staszewski S, Gallant J, Pozniak A, et al. Efficacy and safety of tenofovir disoproxil fumarate TDF ; versus stavudine d4T ; when used in combination with lamivudine 3TC ; and efavirenz EFV ; in HIV-1 infected patients naive to antiretroviral therapy ART ; : 48-week interim results [abstract LbOr17]. In: Program and abstracts of the 14th International AIDS Conference Barcelona ; . Stockholm: International AIDS Society, 2002. 43. Tashima K, Stryker R, Skiest D, et al. Lipid profiles & clinical lipodystrophy in study 006 patients [abstract 1304]. In: 39th Interscience Conference on Antimicrobial Agents and Chemotherapy San Diego ; . Washington, DC: American Society for Microbiology, 1999. 44. Tashima K, Morales-Ramirez JO, Butcher D, et al. Abdominal CTscan sub-study of study DPC-006 [abstract 0-13]. In: Program and abstracts of the 3rd European Workshop on Lipodystrophy and Metabolic Disorders Marbella, Spain ; . France: Kobe, 2002. 45. van Leth F, Phanuphak P, Gazzard B, et al. Lipid changes in a ran.
I need the real medicine and that is a fight with the insurance company and zerit.
Welcome to the Spring issue of our Newsletter. Our goal is to keep you current on the Care1st health promotion and disease management programs as well as keep you up to date on the health education state requirements for Healthy Families and Medi-Cal.
Relying on single-source suppliers can and does result in shortages and stockouts. This year major U.S. media outlets reported on shortages of GlaxoSmithKline's Epivir known as lamivudine or 3TC ; , Merck's Sustiva known as efavirenz ; , and Bristol Myers Squibb's ZERIT known as stavudine or d4t ; leaving PEPFAR-funded programs scrambling to continue treatment for their patients. Some mission hospitals and clinics were told by drug companies to stop adding people to their treatment rolls, although the capacity existed to treat many more, because of the shortages. At the time of the reports, generic versions of 2 out of the 3 drugs were listed on the WHO pre-qualified list. Although at a Congressional briefing the Global AIDS ambassador Randall Tobias was asked to use his right to waive regulations and barriers to generic sources of drugs, given the severe drug shortages, he has refused to do so.vii and ticlid.
Two of the fatal cases occurred in patients enrolled in bms study ai424-007, an open-label, multinational, randomized, two-arm comparison of stavudine plus didanosine plus nelfinavir viracept ® versus stavudine plus didanosine plus bms-232632 an investigational protease inhibitor.
[Cite as Harger v.Vista Centre , 2001-Ohio-3154.] affidavit. She argues, however, that the contradiction was created by appellees through their clever cross- examination tactics. During the discovery deposition, appellees questioned Dr. Giordano for more than five hours. They asked leading questions that pigeonholed his responses to suit their needs. We share appellant's concern that such testimony frequently elicited without the benefit of examination by the other party, is often suspect relative to resolving factual disputes for the purpose of summary judgment. Its use, however, is not prohibited. Moreover, it must be noted that appellant was not without recourse. Her counsel had the opportunity to clarify Dr. Giordano's deposition testimony several ways. Appellant's counsel could have examined Dr. Giordano when appellees were through with their cross-examination. See Civ.R. 30 C ; . Alternatively, appellant's counsel could have filed a subsequent affidavit. Appellant's counsel did neither. Nonetheless, we find that the deposition testimony did not entirely negate the statements made in the affidavit. LAW AND ANALYSIS In Bruni v. Tatsumi 1976 ; , 46 Ohio St.2d 127, syllabus, the Ohio Supreme Court held: "In order to establish medical malpractice, it must be shown by a preponderance of evidence that the injury complained of was caused by the doing of some particular thing or things that a physician or surgeon of ordinary skill, care and diligence would not have done under like or similar conditions or circumstances, or by the failure or omission to do some particular thing or things that such a physician or surgeon would have done under like or similar conditions and circumstances, and that the injury complained of was the direct and proximate result of such doing or failing to do some one or more of such particular things." A plaintiff is generally required to "prove causation through medical expert testimony in terms of probability to establish that the injury was, more likely than not, caused by the defendant's negligence." Roberts v. Ohio Permanente Medical Group, Inc. 1996 ; , 76 Ohio St.3d 483, 485. The central issue in this appeal is whether genuine issues of facts exist which, if believed by the trier-of-fact, could support appellant's claims against appellees. Appellant cites Turner v. Turner 1993 ; , 67 Ohio St.3d 337 for the proposition that questions of fact exist as Dr. Giordano's deposition contradicted portions of his affidavit. However, in that case, it was the movant who submitted the conflicting affidavit and deposition. The court held that the movant and ticlopidine.
Figure 2. Mean plasma concentration-time curve of stavud9ne in 24 adult, fasting, healthy Indian subjects when administered as a combination tablet treatment A, open squares ; and as an individual tablet treatment B, open circles ; A linear plot; B log plot.
Frequently a review of systems will reveal long neglected medical conditions. It is important not to collude with patients on the denial of their physical and addiction problems. HIV and hepatitis screen is recommended for all intravenous substance users. Patients with alcoholic hepatitis often exhibit an AST: ALT ratio 1, an elevated GGT with a GGT: ALP ratio 2.5. Drinking is also associated with elevations in MCV, triglycerides, and uric acid. MCV tends not to return to normal until at least one to two months of abstinence due to RBC life span of 120 days and tegaserod.
Stavudine Zerit ; , zidovudine Retrovir ; , didanosine Videx ; and zalcitabine Hivid ; . A recent review of these products at European level has suggested a need to revise the product information to include the following statements: Cases of lactic acidosis in the absence of hypoxemia ; , usually associated with severe hepatomegaly and hepatic steatosis have been reported with the use of nucleoside analogues. Treatment with nucleoside analogue therapy should be discontinued in the setting of rapidly elevating aminotransferase levels, progressive hepatomegaly or metabolic lactic acidosis of unknown aetiology. Caution should be exercised when administering nucleoside analogue to any patient with hepatomegaly, hepatitis or other known risk factors for liver disease. Vigabatrin - visual field defect Vigabatrin is an antiepileptic agent indicated as "addon therapy in the treatment of epilepsy which is not satisfactorily controlled by another antiepileptic drug". It is also recommended for use as monotherapy for the management of infantile spasms. Earlier this year a paper was published which reported on 3 cases of severe persistent visual field constriction in patients who had taken vigabatrin from 2-3 years.
Zerit tsavudine ; : audience: healthcare professionals caring persons for with is and zelnorm.
Of focal cerebral ischemia employing intracerebrally applied endothelin-1 6 ; . These findings have been extended to models of transient global forebrain ischemia 7-10 ; . FK506 is a fungal-derived macrolide exhibiting a potent immunosuppressant action, and has been recently introduced in clinical practice to prevent allograft rejection. The mechanism by which FK506 prevents ischemic brain damage is not understood, and may depend on de novo protein synthesis 11 ; rather than on the inhibition of calcineurin 11, 12 ; . Since FK506 is already permitted for human use, and considering that it crosses the blood-brain barrier 13 ; , it could be a promising candidate to enter clinical trials as a neuroprotective agent. However, data obtained from animal models of global cerebral ischemia in vivo are still limited. Three studies employing FK506 have been performed using the gerbil model of global ischemia 7-9 ; and one study used the rat 2-vessel occlusion + hypotension model 10 ; . The possible influence of drug-induced hypothermia in these studies is controversial. Only a single study has investigated whether the neuroprotective effects of FK506 are sustained for post-ischemic periods longer than the commonly used 4-7day survival time 7 ; . This is an important aspect of neuroprotection since some treatments may merely delay, rather than prevent ischemia-induced cell loss 14 ; . There is a need for further investigation of the neuroprotective effects of FK506 in the rat, using the 4-vessel occlusion 4-VO ; model 15 ; . In initial experiment, we attempted to reproduce a previous finding of robust neuroprotection in the gerbil after a single intravenous iv ; dose of FK506 7 ; . Given the unexpected negative results, subsequently we assessed the effects of FK506 applied in repeated doses, employing a combination of iv and intraperitoneal ip ; administration. The effects of FK506 were assessed at two different post-ischemic survival times, and evaluated in different rostroBraz J Med Biol Res 36 4 ; 2003, for example, zidovudine stavudine.
Drug interaction studies have demonstrated that there are no clinically significant interactions with didanosine and the following: stavudine, zidovudine, foscarnet, trimethoprim, sulfamethoxazole, dapsone, ranitidine, loperamide, nevirapine, ritonavir, metoclopramide and rifabutin and tibolone.
24. Robust Population Pharmacokinetic Experiment Design, for example, lamivudine stavufine and nevirapine.
ANTIRETROVIRALS NRTIs- abacavir Ziagen ; , abacavir lamivudine zidovudine Trizivir ; , didanosine ddI, Videx, Videx EC ; , lamivudine Epivir, 3TC ; , lamivudine zidovudine Combivir ; , stavudine d4T, Zerit ; , tenofovir Viread ; , zalcitabine ddC, HIVID ; , zidovudine AZT, Retrovir ; . PIs- amprenavir Agenerase ; , indinavir Crixivan ; , lopinavir ritonavir Kaletra ; , nelfinavir Viracept ; , ritonavir Norvir ; , saquinavir Fortovase ; . NnRTIs- delavirdine Rescriptor ; , efavirenz Sustiva ; , nevirapine Viramune ; . Other- hydroxyurea Hydrea ; . OI DRUGS PHS "A1 OI"s- acyclovir Zovirax ; , azithromycin Zithromax ; , cidofovir Vistide ; , clarithromycin Biaxin ; , famciclovir Famvir ; , fluconazole Diflucan ; , foscarnet Foscavir ; , ganciclovir Cytovene ; , isoniazid INH ; , itraconazole Sporonox ; , leucovorin, pyrazinamide, pyrimethamine Daraprim, Fansidar ; , rifampim, sulfadiazine, TMP SMX Bactrim ; . Other OIs- ciprofloxacin Cipro ; , dapsone, ethambutol Myambutol ; , pentamidine Nebupent ; . Hepatitis C- none and tinidazole.
Guidelines in pulmonary medicine: a 25-year profile.
Have a narrow therapeutic index Exhibit a high extraction ratio Nearly all drug passing through the organ is removed or metabolized, both bound and unbound. Total clearance unaffected, increased free fraction and tiotropium.
Key Marketed Products Approximately 55% of sales are derived from Generics Business and approximately 45% of sales are derived from Industrial Business. Key marketed product areas for Novartis Generics are antibiotics such as pencillins, cephalosporins and macrolides ; , central nervous system drugs, cardiovascular system drugs, alimentary tract preparations and hormonal tract preparations. Principal Markets Novartis Generics' principal markets are the two largest generics markets in the world: the U.S. and Europe. The following table sets forth 1999 sales of Novartis Generics by region: Novartis Generics U.S. Americas excluding the U.S. ; Europe Rest of the World Total Production The sector's principal production facilities are located in the U.S. and the EU. For finished dosage forms, the principal plants are located in Broomfield, Colorado; Gerlingen, Germany; Kundl, Austria; Jakarta, Indonesia; and Spartan, South Africa. Plants for active pharmaceutical ingredients are located in Kundl and Schaftenau, Austria; Frankfurt, Germany; Rovereto, Italy; Les Franqueses, Spain; and Jakarta, Indonesia. Marketing and Distribution The four largest operating entities of Novartis Generics are Biochemie GmbH, which markets generics on a global basis, Geneva Pharmaceuticals Inc., a leading supplier of generic pharmaceuticals in the U.S., Azupharma GmbH, a leading supplier of generic pharmaceuticals in Germany, and Multipharma, a leading supplier of generic pharmaceuticals in the Netherlands. In Generics Business a broad portfolio of patent-free medicines is delivered to pharmacies, hospitals, and other healthcare outlets. Depending on the structure of local markets, these markets are serviced either by the sector's own field services team or by well established partners or joint venture associates. In Industrial Business, active pharmaceutical ingredients are distributed to manufacturers in the generic and pharmaceutical industry. In response to rising healthcare costs, many governments and private medical care providers, such as HMOs, have instituted reimbursement schemes which favor the substitution of generic pharmaceuticals for more expensive original pharmaceuticals. In the U.S., generic substitution statutes have been enacted by virtually all states and permit or require the dispensing pharmacist to substitute a less expensive generic drug instead of an original ethical drug. In Europe, use of generic drugs is growing, but penetration rates remain well below those reached in the U.S., largely because reimbursement practices often do not create an incentive for generic substitution. Competition Due to the competitive environment, it is important for Novartis Generics' products to be among the first group of generic products on the market after the patent expiration of the original ethical drug. In Sales 1999 CHF millions ; 593 60 823 Sales 1999 % ; 32.5 3.3 45.1.
ACCEPTABLE Yes Permanent deferral. No, defer 24 hours after course completed, if IV or IM defer 1 week. No, defer 24 hours after course completed. Yes for acne. Yes. Accept if taken for endometriosis. Defer if taken for cancer Yes. No. Defer for 1 month after last dose. Possible Fetal Tetragenicity ; Yes. Yes, if taken for allergies. Defer for 72 hours after symptoms are resolved if taken for cold flu symptoms or for fever. Defer 72 hrs for plateletpheresis or sole source platelets Yes. Yes. Yes. Yes. Yes Yes. Yes, if taken for allergies. Defer for 72 hours after symptoms are resolved if taken for cold flu symptoms and tizanidine and stavudine, because sustiva.
Brinkman, they add further proof to earlier observations that increased apoptosis might be the final pathway into lipoatrophy, which decreased after stavudine was changed.
And Siddha, the percentage of alcohol in Ayurvedic products should never exceed more than 12 per cent as it is not possible to generate more than 12 per cent alcohol by natural fermentation of herbs. However, some of the common products like Sura contain 24 per cent alcohol, and Pudina Hara 78.8 per cent Shiva and UnniKrishnan, 1992 ; . The drug control authorities have issued a directive that preparations which contain a high percentage of alcohol, should be consumed only in drops and are to be sold in tiny bottles which contain 30 ml only. This will help to check the misuse of these preparations in the community and urso.
Cooperatively breeding Arabian babblers Turdoides squamiceps ; have a repertoire of different calls that they use in predatorinduced contexts. We investigated their vocal mobbing behavior in two different predator-induced situations. We presented territorial groups of babblers a perched, stuffed owl representing an avian predator and a cat representing a ground predator. Babblers approached in both situations and mobbed the predators with the same two call types. In both predator-induced situations their first call was a short, metallic-sounding ``tzwick.'' In response to the cat, babblers continued to primarily use tzwicks. However, in continued response to the owl, the babblers primarily used long trills. The experiments indicate that differences in use of two common call types during mobbing provide information on differences in predator-induced situations, although no call type per se identified a specific situation. The experiments suggest that the short tzwicks indicate a higher risk or urgency than trills and that combinations of both call types may provide graded information about differences in predatorinduced situations. The relatively stable groups of these cooperative breeders might have favored evolution for using different calls in different mobbing situations. Key words: alarm calling, Arabian babblers, cooperative breeders, mobbing, predatorprey interactions, Turdoides squamiceps. [Behav Ecol 10: 636640 1999 ; ].
Marketing authorisation is necessary to protect public health. Such referral can only be initiated by a Member State. Procedure and timetable: Articles 31, 36 et 37 lead to the same procedure, as described in Articles 32, 33 et 34 of Directive 2001 83 EC. CPMP obliged to reach on opinion within 90 days but may: - Extend by 90 days Article 31 but not articles 36, 37 ; - Shorten deadline on chairman's proposal if urgent EMEA forwards opinion to Commission within 30 days Commission drafts decision within 30 days Member States have 28 days to comment Final Commission decision must be implemented by MS within 30 days. Examples of Referrals in case of Safety concerns.
Sleeping time, it did not protect mice from A9THC or LPS, singly or in combination data not shown ; . DISCUSSION The data presented in this report establish that the combination of A9-THC and LPS is hyperadditively toxic for mice. We propose that this enhanced toxicity may occur in man because i ; common enteric bacteria, opportunistic bacteria, and food-borne gram-negative bacteria can serve as LPS sources and ii ; crude sources of cannabinoids can substitute for purified A9-THC. The intestinal tract contains gram quantities of endotoxic gram-negative bacteria such asE. coli and Bacteroides species 14 ; . The doses of LPS and A9-THC required to cause death in mice are many magnitudes higher than expected exposures of man. However, our colleagues Munson et al., personal communication ; have demonstrated that enhanced mortality in the rabbit occurs with 5 gg of LPS and 1 mg of A9-THC per kg. These doses are within the spectrum that might be encountered by man 13, 19 ; . The mechanism of the hyperadditive toxicity of combinations of A9-THC and LPS has not yet been determined. Tolerance to LPS or A9-THC, as expected, reduces the toxic consequences of combinations of A9-THC and LPS. Complexes of lipid A with a variety of proteins are able to substitute for LPS, indicating that the lipid A moiety is the toxic moiety of LPS in this interaction in vivo. In addition, several lipid-protein complexes are able to substitute for LPS; some.
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