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米非司酮联合米索前列醇阴道用药终止中期妊娠的meta分析
于云1张文2黄凌1张前兵1吴尚纯3
A systematic review of mifepristone combined with misoprostol vaginal medication for termination of second trimestic
YU yun1,ZHANG Wen2,3,HUANG Ling1,ZHANG Qianbing1,WU Shuangchun2
中国计划生育学杂志 . 2018, (5): 336 .