维他命D低吗？我以前有过上楼下楼有一个膝盖有点不舒服，后来注意晒太阳和吃了点Carson鱼肝油，就好了。

来源: 虎嗅蔷薇于 2017-01-12 16:04:55 [旧帖] [给我悄悄话] 本文已被阅读：次

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