title: [Primary peri-anal fistula].
authors.affiliation: Chirurgische Abteilung, Krankenhaus München Bogenhausen, Englschalkinger Strasse 77, 81925 München. WUHeitland@aol.com
authors.forename: W
authors.initials: W
authors.lastname: Heitland
mesh_terms: D000038:Abscess / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D003952:Diagnostic Imaging; D006801:Humans; D012003:Rectal Fistula / Q000175:diagnosis / Q000209:etiology / Q000601:surgery*; D012307:Risk Factors; D013524:Surgical Flaps; D013536:Suture Techniques