早孕妊娠囊小于孕周者与胚胎停止发育的关系探讨
王瑞玲, 王凤兰, 蒲英杰
Dissucssion on the Relationship between the Gestational Sac of Early Pregnancy and the Discontinue Development of Embryo
WANG Rui-ling, WAGN Feng-lan, PU Ying-jie
中国辐射卫生 . 2017, (2): 240 -241 .