博文
(2005-10-03 22:34:10)
http://web.wenxuecity.com/BBSView.php?SubID=health_best&MsgID=812[阅读全文]
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(2005-10-03 22:12:54)
英文http://www.nlm.nih.gov/medlineplus/ency/article/002048.htm中文http://www.zgxl.net/sexlore/ysyy/ycb.htm[阅读全文]
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(2005-10-03 22:04:47)
http://www.falkfoundation.com/pdf/Li82e.pdf[阅读全文]
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