3Irvine GA, Campbell- Brown MB, Lumsden MA, et al. Randomized comparative trial of the levonorgestrel intrauterine system and norethisterone for treatment of idiopathic menorrhagia. Br J Obstet Gynaecol, 1998, 105(6) : 592 -598.
4Milsom I, Andersson K, Andersch B, et al. A comparison of flurbiprofen, tranexamic acid, and a levonorgestrel - releasing intrauterine contraceptive device in the treatment of idiopathic menorrhagia. Am J Obstet Gynecol,1991,164(3) : 879 -833.
5Reid PC, Virtanen - Karl S. Randomized comparative trial of the levonorgestrel intrauterine system and mefenamic acid for the treatment of idiopathic menorrhagia: a multiple analysis using total menstrual fluid loss, menstrual blood loss and pictorial blood loss assessment charts. Br J Obstet Gynaecol, 2005, 112(8) : 1121 - 1125.
6Rauramo I, Elo I, Istre O. Long - term treatment of menorrhagia with levonorgestrel intrauterine system versus endometrial resection. Obstet Gynecol, 2004, 104(6): 1314-1321.
7Busfield RA, Farquhar CM, Sowter MC, et al. A randomized trial comparing the levonorgestrel intrauterine system and thermal balloon ablation for heavy menstrual bleeding. Br J Obstet Gynaecol, 2006, 113(3) : 257-263.
8Hurskainen R, Teperi J, Rissanen P, et al. Clinical outcomes and costs with the levonorgestrel - releasing intrauterine system or hysterectomy for treatment of menorrhagia - randomized trial 5 - year follow - up. JAMA, 2004, 291(12): 1456 -1463.
9Halmesmaki K, Hurskainen R, Tiitinen A, et al. A randomized controlled trial of hysterectomy or levonorgestrel - releasing intrauterine system in the treatment of menorrhagia - effect on FSH levels and menopausal symptons. Hum Repred, 2004, 19(2) : 378-382.
10Barrington JW, Bowen SP. The levonorgestrel intrauterine system in the management of menorrhagia. Br J Obstet Gynaecol, 1997, 104 (5) : 614-616.
6Bragheto AM,Caserta N,Bahamondes L,et al.Effectiveness of thelevonorgestrel- releasing intrauterine system in the treatment of adenomyosis diagnosed and monitored by magnetic resonance imaging[J]. Contraception, 2007,76 (3) : 195-199.
7Megavigan C J, Dockery P, Metaxa-Mariaton V, et al.Hormonally mediated distarbance of angiogenesis in the human endometrium affter exposure to intrauterine Levonorgestrel[J].Hum Reprod, 2003,18( 3 ) : 77-84.
8Sheng J,Zhang WY,Zhang JP,et al.The LNG-IUS study on adenomyosis:a 3-year follow-up study on the efficacy and side effects of the use of levonorgestrel intrauterine system for the treatment of dysmenorrheal associated with adenomyosis [J].Contraception, 2009,79 (3):189-193.
9Varma R, Soneja H, Bhatia K, et al. The effectiveness of a levonorgestrel - releasing intrauterine system (LNG - IUS ) in the treatment of endometrial hyperplasia - a long - term follow - up study. Eur J Obstet Gynecol Reprod Bjol, 2008, 139 (2): 169-175.
10Kingman CE, Kadir RA, Lee CA, et al. The use of levonorgestrel releasing intrauterine system for treatment of menorrhagia in women with inherited bleeding disorders. Br J Obstet Gynaecol, 2004, 111 (12): 1425-1428.