[Roentgen diagnosis of esophageal ulcers].
D004935:Esophageal Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014456:Ulcer / Q000000981:diagnostic imaging* / Q000209:etiology
K rentgenodiagnostike iazv pishchevoda