title: Development of proctology in the USSR.
mesh_terms: D003108:Colonic Diseases / Q000628:therapy; D003107:Colorectal Surgery / Q000193:education*; D006484:Hemorrhoids / Q000453:epidemiology; D006801:Humans; D009031:Moscow; D012002:Rectal Diseases / Q000628:therapy; D014586:USSR