队列研究中对照人群的选择形式有A、病例对照B、总人口对照C、外对照D、多重对照E、内对照

作者: rantiku 人气: - 评论: 0
问题 队列研究中对照人群的选择形式有
选项 A、病例对照 B、总人口对照 C、外对照 D、多重对照 E、内对照
答案 BCDE
解析

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