title: [Internal outlet of anorectal fistulas].
mesh_terms: D005401:Fissure in Ano / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D011859:Radiography; D012003:Rectal Fistula / Q000000981:diagnostic imaging / Q000601:surgery*
vernacular_title: O vnutrenem otverstii anorektal'nykh fistul.