[1]李敬之,王惠茹.宫内节育器嵌顿取器困难的处理.中国计划生育杂志,1997,5:118-119. [2]王瑞兰,贺艳冰.宫腔镜临床应用120例分析.湖南医学,1991,2:51-52. [3]Fraser IS.Hysteroscopy and laparoscopy in women with menorrhagia.Am J Obstet Gynecol,1992,162:1264-1269.