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case-only study
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case-only study
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医学
单纯病例研究
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case-only study
单纯病例研究
以某一患病人群为研究对象,将其中具有某一基因型的病例作为类病例组,以无该基因型的病例作为类对照组,调整其他混杂因素,分析基因型与环境暴露情况对疾病发生影响的方法。又称病例-病例研究、病例系列研究。
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National Bardo Museum
National Basic Medical Insurance, Industrial Injury Insurance and Maternity Insurance Drug Catalog(China)
National Basic Population Information Database
national basic public health service project management platform
National Basic Research Program of China (973 Program)
National Basketball Association
National Beauty and Heavenly Fragrance
National Beiping Academy
National Beiping Art School
national bibliography
National Bibliography of New Books
National Biosafety Committee of Agricultural Genetically Modified Organisms
National bond guaranteed on import surtax
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National Book Expo
National Books Museum of China
National Broadcasting Company
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National Broadcasting Services of Thailand
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National Bureau of Standards
National Bureau of Statistics of China
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