title: Tracheosophageal fistula occurring in Pennsylvania.
mesh_terms: D004194:Disease; D004937:Esophageal Fistula / Q000706:statistics & numerical data*; D005402:Fistula; D010414:Pennsylvania; D014132:Trachea; D014133:Tracheal Diseases
keywords: ESOPHAGEAL FISTULA/statistics; TRACHEA/diseases