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veterinary epidemiology case-control study
释义
veterinary epidemiology case-control study
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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