Abstract
武光林.配比病例对照研究可以控制混淆因素吗?[J].Chinese journal of Epidemiology,1992,13(4):246-248
配比病例对照研究可以控制混淆因素吗?
Received:June 15, 1991  Revised:March 20, 1992
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武光林 天津医学院流行病学教研室 300070 
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