نتایج جستجو برای: population centers
تعداد نتایج: 791869 فیلتر نتایج به سال:
BACKGROUND This study analyzes trends in hospitalization and outcome for adult, elderly, and pediatric trauma victims in the Florida Trauma System (FTS) from 1991 to 2003, during which time the number of centers nearly doubled from 11 to 20. METHODS Administrative data was queried for all admissions with at least one trauma related discharge. Patients were stratified by age as pediatric (age,...
Alleles of avenin-coding loci were identified in 24 varieties common oat origin from 6 different breeding centers the Russian Federation. It was found that 33% studied are homogeneous. Heterogeneous contain 2 to 10 biotypes. The analysis revealed 67 genotypes, ten which spectra several at once. Despite presence matching all differ genetic formulas avenin, number and frequency occurrence This ma...
BACKGROUND AND PURPOSE In this report, the authors assess practice patterns at both academic and nonacademic centers regarding the treatment of aneurysms with Guglielmi detachable coils (GDCs), thrombolysis of the carotid-vertebral arteries, and stent placement with angioplasty of the carotid arteries. METHODS A neurovascular radiology survey was sent to 102 directors of neuroradiology fellow...
Oja depth (Oja 1983) is a generalization of the median to multivariate data that measures the centrality of a point x with respect to a set S of points in such a way that points with smaller Oja depth are more central with respect to S. Two relationships involving Oja depth and centers of mass are presented. The first is a form of Centerpoint Theorem which shows that the center of mass of the c...
background & purpose: since 2005, a reform known as rural insurance and family medicine scheme has introduced to primary health care network in iran in rural areas and small towns. the content of the reform implies a substantial change in those aspects of health centers that mainly could be categorized as structural quality. although, this is the requirement of all health care providers, they a...
The Voluntary Counseling and Testing (VCT) Network was implemented in Brazil in the 1980s to promote anonymous and confidential access to HIV diagnosis. As a function of the population and dimensions of the local epidemic, the study assessed the network's coverage, using data from a self-applied questionnaire and data from the Information Technology Department of the Unified National Health Sys...
Food-borne trematodes constitute a family of lung, liver and intestinal flukes that have parasitized mankind and domesticated animals since the distant past. In the modern global village, food-borne trematodes present a daunting challenge of infection with severe morbidity, despite being highly neglected as causes of disease. Urbanization is the population shift from rural to urban centers, as ...
OBJECTIVES Telomeres, repetitive DNA sequences found at the ends of chromosomes, shorten with age in proliferating human tissues and are implicated in senescence. Previous studies suggest that shorter telomeres impair immune and cardiovascular function and result in increased mortality. Although few, prior studies have documented ethnic/population differences in human telomere lengths. The natu...
one of the most important problem and issues in metropolises is natural hazards and the earthquake is the most important of them in developing countries. according to this theme, comprehensive disaster management especially earthquake is an important factor to safe people life and evaluate risks by complete and update information bank, exact and modern hardware and gis and karmania hazard softw...
The population dynamics theory of B cells in a typical germinal center could play an important role in revealing how affinity maturation is achieved. However, the existing models encountered some conflicts with experiments. To resolve these conflicts, we present a coarse-grained model to calculate the B cell population development in affinity maturation, which allows a comprehensive analysis of...
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