title: Atrio-oesophageal fistula complicating mitral valve disease.
mesh_terms: D004935:Esophageal Diseases / Q000139:chemically induced; D004937:Esophageal Fistula / Q000209:etiology*; D005402:Fistula / Q000209:etiology*; D006325:Heart Atria; D006331:Heart Diseases / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000150:complications*; D011189:Potassium Chloride / Q000009:adverse effects*; D014456:Ulcer / Q000139:chemically induced
chemical_list: D011189:Potassium Chloride