下列关于调查人群中的遗传病�病率的叙述正确的是 A调查时要随机调查有一定数量的人群并进行统计分析b调查时最好选取群体中�病率较 Template




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tomski下列关于调查人群中的遗传病�病率的叙述正确的是 a调查时要随机调查有一定数量的人群并进行统计分析b调查时最好选取群体中�病率较 coloring