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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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space of constant curvature
space of continuous functions
space of continuous mappings
space of decision functions
space of decisions
space of differentiable functions
space of distributions
space of elementary events
space of embeddings
space of events
space of functionals
space of functions
space of games
space of generalized functions
space of holomorphic functions
space of homogeneous type
space of ideals
space of images
space of immersions
space of infinite connectivity
space of infinite dimension
space of left cosets
space of linear operators
space of line elements
space of loops
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