British influences of the nineteenth century on American proctology.
D003107:Colorectal Surgery / Q000266:history*; D005401:Fissure in Ano / Q000628:therapy; D006484:Hemorrhoids / Q000266:history / Q000601:surgery; D049672:History, 19th Century; D007391:International Cooperation; D012621:Seasons; D006113:United Kingdom; D014481:United States