1. ACOG practice bulletin 51: chronic pelvic pain;Obstet Gynecol,2004
2. Hysterectomy rates in the United States 1990-1997;Farquhar;Obstet Gynecol,2002
3. Chronic pelvic pain;Howard;Obstet Gynecol,2003
4. Endometriosis and mechanisms of pelvic pain;Howard;J Minim Invasive Gynecol,2009
5. Conservative surgery;Olive,1989