title: External gastrointestinal fistulas. Principles of management and treatment.
mesh_terms: D005402:Fistula / Q000628:therapy*; D005747:Gastric Fistula / Q000628:therapy*; D006801:Humans; D007412:Intestinal Fistula / Q000628:therapy*; D012871:Skin Diseases / Q000628:therapy*