老将下面贴得Autism Risk Rises With Mother's Age可信度不高


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送交者: ASH 于 2010-02-19, 12:43:27:

怎么解释这个数据?老牛别去吃嫩草?
引用:
Men over age 40 are twice as likely as men under age 25-29 to have a child with autism, but only if the mother is under age 25.




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