[Studies on the various factors influencing the prognosis of gastric ulcer].
D000328:Adult; D000368:Aged; D005260:Female; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011859:Radiography; D013276:Stomach Ulcer / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000503:physiopathology*