Some aspects of the comparative anatomy of the anal canal.
D001003:Anal Canal / Q000033:anatomy & histology*; D000818:Animals; D004285:Dogs; D006801:Humans
Br J Surg. 1958 Mar 18;45(193):504-12
13536354
Postgrad Med J. 1958 Jul;34(393):360-6
13567159