同意，早发现是根本。从小样本人群中找病因没太大意义

来源: Lilac5 于 2018-04-29 12:13:41 [旧帖] [给我悄悄话] 本文已被阅读：次

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同意，早发现是根本。从 小样本 人群中找病因没太大意义