| 1/1 | US=13 / Pelvis Nivatvongs S. Essential considerations: local anesthesia in anorectal surgery. In: Gordon PH, Nivatvongs S. Principles and practice of surgery for the colon, rectum, and anus. 3rd. New York: Informa Healthcare, 2007. p. 117-23. ISBN 0-8247-2961-7. |