[Esophageal ulcer: classification due to x-ray findings (author's transl)].
D000328:Adult; D000368:Aged; D004935:Esophageal Diseases / Q000145:classification* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014456:Ulcer / Q000145:classification* / Q000000981:diagnostic imaging