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2014-07-28 21:20:39医生，您好！男性勃起不坚，是怎么回事？能治好吗？大概要怎么治疗？......
2014-07-28 21:20:38我今年男 24岁夏天洗完发现掉头发多，最后洗完头之后水里能有三十根的样子......
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