نتایج جستجو برای: center for disease control
تعداد نتایج: 11344814 فیلتر نتایج به سال:
126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
1. Wu Z, McGoogan JM (2020). Characteristics of and important lessons from the coronavirus disease 2019 (COVID-19) outbreak in China: summary a report 72 314 cases Chinese Center for Disease Control Prevention. JAMA 2019; 323(13): 1239-1242. https://doi.org/10.1001/jama.2.... CrossRef Google Scholar
background: iran is a country located on the thalassemic belt of the globe. investigating such issues is of a greater significance in southern provinces of the country where the high prevalence of thalassemia has imposed high costs and mental pressure on families and the healthcare system. methods: in this cross-sectional study conducted in 2011 as a census, the data related to patients or dise...
Over 900 laboratories participated in the Diagnostic Immunology portion of the 1976 Proficiency Testing Program, which was provided by the Center of Disease Control under the authority of the Clinical Laboratories Improvement Act of 1967. One hundred specimens prepared by the Center for Disease Control for analysis were distributed on a quarterly schedule or in special surveys. Feedback from pa...
Data from about 1,000 laboratories participating in the Diagnostic Immunology portion of the 1978 Center for Disease Control Proficiency Testing Program provided information dealing with laboratory performance and trends in testing protocols. Ninety specimens were distributed in scheduled quarterly and semiannual shipments, and five additional specimens were provided in a special survey. The sp...
A summary of the yearly data accumulated and analyzed in the diagnostic immunology portion of the Center for Disease Control 1977 Proficiency Testing Program provides information on the trends in testing protocols from over 900 participating laboratories. One hundred and fourteen specimens prepared by the Center for the Disease Control were distributed quarterly or in special surveys. The speci...
BACKGROUND Several authors have correlated the increase of cardiovascular risk with the nutritional status, however there are different criteria for the classification of overweight and obesity in children. OBJECTIVES To evaluate the performance of three nutritional classification criteria in children, as definers of the presence of obesity and predictors of high blood pressure in schoolchild...
Background and Objective: Vitamin D is an important factor for calcium hemostasis, and it is responsible for immune system regulation and lowering the risk of inflammatory disease. The aim of this descriptive study was to evaluate the vitamin D level in patients with rheumatoid arthritis (RA) and analyze its possible relation with the severity or the disease. Materials and Methods: This cross s...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید