1Tegerstedt G, Hammatstrom M.Operation for pelvic organ prolapse:a follow-up study[J] .Acta Obstet Gynecol Seand,2004,83(8):758- 763.
2Olsen AL, Smith VJ, Bergstrom JO,et al.Epidemiology of surgically managed pelvic organ prolapse and urinary incontinence[J] .Obstet Gynecol , 1997,89(4) :501 - 506.
3Swift SE.The distribution of pelvic organ suppert in a population of female subjects seen for routine gynecologic health care[J]. Am J Obstet Gynecol, 2000,183(2) :277 - 285.
4Hendrix SL, Clark A, Nygaard I, et al. Pelvic organ prolapse in the Women's, Health Initiative: gravity and gravidity[ J]. Am J Obstet Gynecol, 2002,186(6):1160- 1166.
