中国古代新生儿死亡率高达20%，即5个新生儿里就有一个死亡。而西医传入后，新生儿死亡率千分之4

来源: Biao9919 于 2023-12-17 19:36:54 [旧帖] [给我悄悄话] 本文已被阅读：次

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