原帖由 眉心眉飞 于 2008-6-5 11:04 发表 0 O: p! D& K7 T; s
triple blood screening: # Z' d( I. C, P : u! ?' k3 @$ S" c8 mA triple screen is a blood test that measures three things called alpha-fetoprotein, human chorionic gonadotropin and unconjugated estriol. The results of the blood test can ...
# x% @& D2 _! ]5 F4 I, y. @* y原来这个“唐氏”是这么来的,长见识了,呵呵