title: [Spontaneous external biliary fistulas in late middle-aged and elderly patients].
mesh_terms: D000368:Aged; D001658:Biliary Fistula / Q000473:pathology*; D006801:Humans; D008875:Middle Aged
vernacular_title: Samoproizvol'nye naruzhnye zhelchnye svishchi u lits pozhilogo i starcheskogo vozrasta.