cheaper, perhaps.


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送交者: steven 于 2011-09-06, 11:10:38:

回答: One thing I don't understand about this AI procedure is 由 蓝隼 于 2011-09-06, 10:50:42:

All donors have to be screened for HIV or other STD, and some genetic defects. These tests cost a lot. I guess it is certainly cheaper to use the donors who have already been through the screening.



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