title: Comparison of endoscopy and barium swallow in the diagnosis of esophageal stricture.
mesh_terms: D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D004724:Endoscopy; D004940:Esophageal Stenosis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
chemical_list: D001466:Barium Sulfate