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兽医流行病学病例对照研究
释义
兽医流行病学病例对照研究
Encyclopedia
农学
兽医流行病学病例对照研究
释
veterinary epidemiology case-control study
兽医流行病学病例对照研究
选定患某疾病(病例组)和未患病(对照组)的两组动物群体,分别调查其过去暴露于某个(或某些)危险因子的情况及程度,并进行比较分析,判断这个(这些)危险因子与该病有无关联及关联程度大小的观察性研究方法。又称回顾性研究。
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elimination of indeterminacy
elimination of pathogens through purgation and diuresis
elimination of quantifier
elimination of quantifiers
elimination of the essential differences between industry and agriculture
elimination of the essential differences between town and countryside
elimination of unknowns
elimination order
elimination polymerization
elimination process
elimination [reaction]
elimination reaction
elimination system of backward products, equipment and techniques
elimination theorem
elimination theory
elimination with pivoting
eliminative induction
eliminator
E-limit
E-limitable sequence
Elina Avraamovna Bystritskaya
Elina Brotherus
El Inca Garcilaso de la Vega
E. L. Ince
E. L. Ince (1891—1941)
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