据我所指，羊穿能够检测出包括唐氏之内的颜色体异常，包括13， 18， 21

来源: 如意爱吉祥于 2012-07-12 14:09:32 [旧帖] [给我悄悄话] 本文已被阅读：次

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