Irving, M H ABC of colorectal diseases. Anatomy and physiology of the colon, rectum, and anus. [electronic resource] - BMJ (Clinical research ed.) Apr 1992 - 1106-8 p. digital Publication Type: Journal Article; Review ISSN: 0959-8138 Standard No.: 10.1136/bmj.304.6834.1106 doi Subjects--Topical Terms: Anal Canal--anatomy & histologyColon--anatomy & histologyDefecation--physiologyHumansRectum--anatomy & histology