Question


所有跟贴·加跟贴·新语丝读书论坛

送交者: DHMO 于 2006-12-14, 09:24:20:

回答: They monitored about 1000 people in Africa 由 Latino2 于 2006-12-14, 08:48:37:

It is possible that majority of the group with circumcision are Jews or Christians, because they have the tradition of circumcision; the control group has different religion background or social background.

It is possible. Without further information, the conclusion is not valid.




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