试试维生素B2，几个人试过，的确有用。

来源: tiger00 于 2013-04-11 16:40:19 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (308 bytes)

In humans, signs and symptoms of riboflavin deficiency include cracked and red lips, inflammation of the lining of mouth and tongue, mouth ulcers, cracks at the corners of the mouth (angular cheilitis), and a sore throat.

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