[Changes in surgical methods at St. Mark's Hospital during the last 25 years].
D001004:Anus Diseases / Q000601:surgery; D006801:Humans; D007410:Intestinal Diseases / Q000601:surgery*; D012002:Rectal Diseases / Q000601:surgery; D012003:Rectal Fistula / Q000601:surgery
Les changements des méthodes chirurgicales au Saint-Mark's Hospital depuis les 25 dernières années.