5Van-Elstraete AC, Pastureau F, Lebrun T, et al. Caudal clonidine for postoperative analgesia in adults. Br J Anaesth, 2000,84 (3) :401,402.
6Andrews BT, Layer GT, Jackson BT, et al. Randomized trial comparing diathermy hemorrhoidectomy with the scissor dissection Milligan-Morgan operation. Dis Colon Recrum,1993,36(6):580-583.
7Senagore A, Mazier WP, Luchtefeld MA, et al. Treatment of advanced hemorrhoidal disease: a prospective, randomized comparison of cold scalpel vs contact Nd:YAG laser.Dis Colon Recrum, 1993,36 ( 11 ) : 1042-1049.
8Longo A. Treatment of hemorrhoids diseases by reduction of mucosa and hemorrhoidal prolapse with a circular suturing device:a new procedure. Proceeding of the sixth world congress of endoscopic surgery. Rome, Italy, 1998.
9Shir Y, Raja SN, Frank SM, et al. The effect of epidural versus general anesthesia on postoperative pain and analgesic requirements in patients undergoing radical prostatectomy. Anesthesiology, 1994,80(1) :49-56.
10Dennis AR, Leeson-Payne CG, Hobbs G J, et al. A comparison of diclofenac with ketorolac for pain relief after knee arthroscopy. Anaesthesia, 1995,50 (10) : 904-906.