医大教授要出论文可以搞对比组就像新冠吃药分组对比

来源: hhhh 于 2020-10-30 07:41:46 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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医大教授要出论文 可以搞对比组 就像新冠吃药 分组对比