title: [Fibre drainage in perianal fistula. Report on 631 patients].
mesh_terms: D004322:Drainage; D005401:Fissure in Ano / Q000601:surgery; D006801:Humans; D008722:Methods; D012003:Rectal Fistula / Q000601:surgery*
vernacular_title: Die Fadendrainage des perianalen Fistelleidens. Bericht über 631 Patienten.