Bahadursingh Anil M, Driver Michael, Koenig Carolyn L, Longo Walter E
Department of Surgery, Division of Colon and Rectal Surgery, Saint Louis University Health Sciences Center, St. Louis VA Medical Center, St. Louis, MO 63110-0250, USA.
Am J Surg. 2003 Jan;185(1):88-9. doi: 10.1016/s0002-9610(02)01113-3.