美國醫生蠢死啦，爬著睡死亡率高，西歐９０年代初就建議仰著睡，以至嬰兒死亡率大幅度減少。

來源: Thurok 於 2014-03-10 10:39:21 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.