“兽医流行病学病例对照研究”的概念、定义、翻译、参考文献-科学参考

单词	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。
随便看	three-fold threefold axis threefold branch point three-fold classification threefold degeneracy three-fold integration of hollowed village consolidation threefold [symmetry] axis threefold symmetry axis three-fold transitivity three formations of society Three Forts of Hebei Three Forts of Heyang three fourths Three Friends Society three functions of steel manufacturing process Three Garrisons for Accepting the Surrender of the Hun People three gas incubato three general economic programmes for new-democracy Three General History of Institutions Three Generations three genres of opera developing simultaneously three gibbons picking fruit Three Gods(Gods of heaven, earth and water) three gorges dam project Three Gorges Hydro-Junction

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