负压吸宫术前宫颈准备的随机双盲临床研究
刘晓瑷;刘延;王海云;刘建华;乔勤勤;高燕
Cervical Priming Prior to Vacuum Aspiration,a Randomized and Double Blind Clinical Trial
LIU Xiao-ai;LIU Yan;WANG Hai-yun;LIU Jian-hua;QIAO Qin-qin;GAO Yan
国际生殖健康/计划生育杂志 . 2012, (2): 89 -92 .