نتایج جستجو برای: 2009 years then
تعداد نتایج: 1807292 فیلتر نتایج به سال:
IMPORTANCE Laser trabeculoplasty (LTP) is routinely used to treat open-angle glaucoma; hence, understanding variations in its use over time and region is important. OBJECTIVE To determine trends over time and the regional variation in the performance of LTP. DESIGN, SETTING, AND PARTICIPANTS Database analysis of a 5% random sample of all Medicare beneficiaries 65 years or older with continu...
INTRODUCTION Quantifying years of potential life lost (YPLL) highlights childhood causes of mortality and provides a simple method to identify important causes of premature death. METHODS CDC analyzed data from the National Vital Statistics System multiple cause of death files for 2000-2009. RESULTS An average of 890YPLL were lost each year due to unintentional injuries for every 100,000 pe...
drought is a complex natural phenomenon that can occur in any climate. hydrologic drought in the river flow of arid and semi-arid areas causes serious shortages, threatens the quality of life, and impacts on the economy. understanding this feature is then essential for the management of water resources. hydrologic drought in the sense of deficient river flow is defined as the periods that river...
a comparative study of pregnancy results in adolescents and young mothers referred to the motazedi hospital in kermanshah n rezavand , md m zangane , md sh malek khosravi , md m rezaee , phd received: 25 april, 2009 accepted: 27 july, 2009 abstract: background & aims: pregnancy in early years of reproductive period has been considered as high-risk pregnancy. considering high prevalence of such ...
OBJECTIVE To determine trends in mortality from respiratory disease in several areas of Latin America between 1998 and 2009. METHODS The numbers of deaths attributed to respiratory disease between 1998 and 2009 were extracted from mortality data from Argentina, southern Brazil, Chile, Costa Rica, Ecuador, Mexico and Paraguay. Robust linear models were then fitted to the rates of mortality fro...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید