1. Postoperative complications after gynecologic surgery.;Erekson;Obstet Gynecol,2011
2. Hysterectomy in veterans affairs medical centers.;Weaver;Obstet Gynecol,2001
3. Gynecological surgery in octogenarians and nonagenarians.;Parker;Obstet Gynecol,2004
4. Incidence of perioperative complications of urogynecologic surgery in elderly women.;Stepp;Obstet Gynecol,2005
5. Clinical risk scores to guide perioperative management.;Barnett;Postgrad Med J,2011