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关注:1
2013-05-23 12:21
求翻译:Selects 56 example AIDS patient is the object of study, divides into the observation group and the control group two groups stochastically, each group of each 28 examples,是什么意思?![]() ![]() Selects 56 example AIDS patient is the object of study, divides into the observation group and the control group two groups stochastically, each group of each 28 examples,
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