1Meirik O, Rowe PJ, Peregoudov A, et al. The frameless copper IUD (GyneFix) and the TCu380A IUD : results of an 8 - year muhicenter randomized comparative trial [ J ]. Contraception, 2009, 80 ( 2 ) : 133 - 141.
6Nygren KG, Rybo G. Prostaglandins and menorrhagia. Acta Obstet Gynecol Scand, Suppl, 1983,113:101-103.
7Toppozada M. Treatment of increased menstrual blood loss in IUD users. Contraception, 1987,36:145-157.
8Wildemeersch D,Bater I,Affandi B,et al.The frameless intrauterine system for long-term,reversible contraception:A review of 15 years of clinical experience.J Obstet Gynaecol Res,2003,29(3):160-169.
9I. Batar,D. Wildemeersch,M. Vrijens,W. Delbarge,M. Temmerman,B.A. Gbolade. Preventing Abortion and Repeat Abortion with the Gynefix Intrauterine Implant System — Preliminary Results[J] 1998,Advances in Contraception(2):91～96
10H. Kets,M. Vrijens,Y. Trappen,W. Delbarge,H. Pas,M. Temmerman,H. Depypere,I. Batar,P. Barri,F. Martinez,L. Iglesias-Cortit,Wu Shangchun,Hu Jing,Cao Xiaoming,Feng Zuan-Chong,Wu Ming Hui,D. Wildemeersch,E. Pizarro,A. Andrade,M. Thiery. The frameless GyneFix? intrauterine implant: A major improvement in efficacy, expulsion and tolerance[J] 1995,Advances in Contraception(2):131～142
