我覺得不那麽簡單。如果真是這樣，那麽服用複合維生素的人不易得骨質疏鬆。可是事實不是這樣。

來源: 欲千北於 2018-07-17 14:09:54 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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