台州市50420例唐氏综合症产前筛查情况及影响服务利用的因素分析

潘素招, 宋春仙, 李玲珠

Prenatal screening status of Down syndromes in 50420 cases on middle period pregnancy and influence factors of this service

Pan Su-zhao, Song Chun-xian, Li Ling-zhu.

实用预防医学 . 2015, (1): 92 -93 .