نتایج جستجو برای: 3015
تعداد نتایج: 225 فیلتر نتایج به سال:
background & purpose: there are occupational hazards related to nitrous oxide (n2o) in hospitals operating and recovery rooms. these hazards include the decrease of mental performance and audio-visual ability, and reduced fertility, spontaneous abortion and neurological, renal and liver diseases. in this survey, the concentration of nitrous oxide in indoor air of hospitals operating and recover...
آویشن دنایی (thymus daenensis celak.) در عرصه های طبیعی برخی از مناطق ایران ازجمله استان قزوین پراکنش دارد. پایه های حاصل از تقسیم بوته های آویشن دنایی جمع آوری شده از رویشگاهی واقع در بخش آبگرم قزوین، به مزرعه ایستگاه تحقیقات کشاورزی اسماعیل آباد قزوین منتقل و در کرت های آزمایشی و در قالب طرح بلوک های کامل تصادفی با سه تکرار در سال 1384 کشت شدند. سرشاخه های گلدار گیاه به مدت سه سال (از 1385 تا...
OBJECTIVE To determine the efficacy of 16 hour nicotine patches among pregnant smokers, with the dose individually adjusted according to saliva cotinine levels (potential range 10-30 mg/day). DESIGN Randomised, double blind, placebo controlled, parallel group, multicentre trial (Study of Nicotine Patch in Pregnancy, SNIPP) between October 2007 and January 2013. SETTING 23 maternity wards in...
BACKGROUND Effective public health emergency preparedness and response systems are important in mitigating the impact of all-hazards emergencies on population health. The evidence base for public health emergency preparedness (PHEP) is weak, however, and previous reviews have noted a substantial proportion of anecdotal event reports. To investigate the body of research excluding the anecdotal r...
OBJECTIVE To quantify the frequency and seriousness of adverse events in non-oncology phase I studies with healthy participants. DESIGN Meta-analysis of individual, healthy volunteer level data. SETTING Phase I studies with healthy volunteers conducted between September 2004 and March 2011 at Pfizer's three dedicated phase I testing sites in Belgium, Singapore, and the United States. These ...
Dementia and other chronic diseases in older adults in Havana and Matanzas: the 10/66 study in Cuba.
INTRODUCTION Chronic non-communicable diseases are the leading cause of death worldwide, except in Sub-Saharan Africa. Nonetheless, one of these conditions, dementia, is the major contributor to disability-adjusted life years in people aged ≥60 years. Few epidemiological studies exist of the prevalence and impact of dementia and selected chronic diseases in older adults in Latin America. OBJE...
References 1. Expert Panel on Detection, Evaluation and Treatment of High Blood Cholesterol in Adults. Summary of the second report of the National Cholesterol Education Program (NCEP) Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults (Adult Treatment Panel II). JAMA 1993;269:3015–23. 2. British Cardiac Society, British Hyperlipidaemia Association, British...
types of scientific investigation, including theory, description, experimentation and comparison. Comparing species is an ancient human enterprise, done for a variety of reasons (Sanford et al., 2002). Since Charles Darwin, the 'comparative method' – comparing populations, species or higher taxa – has been the most common and productive means of elucidating past evolutionary processes (Harvey a...
Breast cancer is the most common malignancy affecting the female population in industrialized countries. Prognostic factors, such as steroid receptors visualized in biopsy slides, provide critical information to oncologists regarding the hormonal status of the individual tumors. These factors influence the choice of treatment and help in predicting patient survival and probability of recurrence...
IMPORTANCE The role of vascular closure devices (VCD) for the achievement of hemostasis in patients undergoing transfemoral coronary angiography remains controversial. OBJECTIVE To compare outcomes with the use of 2 hemostasis strategies after diagnostic coronary angiography performed via transfemoral access-a VCD-based strategy with 2 types of devices, an intravascular device and an extravas...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید