| 1/1 | US=13 / Pelvis Gordon PH. Anorectal disorders: retrorectal tumors. In: Gordon PH, Nivatvongs S. Principles and practice of surgery for the colon, rectum, and anus. 3rd. New York: Informa Healthcare, 2007. p. 353-68. ISBN 0-8247-2961-7. DISTURBIOS ANORRETAIS; TUMOR RETRORRETAL; CISTOS; TERATOMA; TERATOCARCINOMA; CORDOMA; MENINGOCELE |