当然还有其它的原因。像老年人普遍的胃酸不足，是引起GERD的常见原因。孕妇又是另外一回事。

来源: 益生菌于 2015-01-23 13:39:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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