1. Chronic pain as an outcome of surgery;Perkins;a review of predictive factors,2000
2. Epidural anesthesia and analgesia;Liu;their role in postoperative outcome,1995
3. Epidural analgesia enhances functional exercise capacity and health-related quality of life after colonic surgery;Carli;results of a randomized trial,2002
4. JCAHO pain management standards are unveiled;Phillips;Joint Commission on Accreditation of Healthcare Organizations,2000
5. Postoperative patient-controlled local anesthetic administration at home;Rawal;Anesth Analg,1998