title: [Indications and results of the transsphincteric Mason approach (author's transl)].
mesh_terms: D000236:Adenoma / Q000601:surgery; D006801:Humans; D012003:Rectal Fistula / Q000601:surgery; D012004:Rectal Neoplasms / Q000601:surgery; D012007:Rectum / Q000601:surgery*; D013514:Surgical Procedures, Operative / Q000379:methods
vernacular_title: Möglichkeiten und Resultate mit dem Zugang nach Mason.