Gastric ulcer: a study of 600 cases.
D003937:Diagnosis, Differential; D005260:Female; D005743:Gastrectomy / Q000401:mortality; D006801:Humans; D008297:Male; D011230:Precancerous Conditions / Q000175:diagnosis / Q000628:therapy*; D011859:Radiography; D012737:Sex Factors; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging / Q000209:etiology* / Q000517:prevention & control; D013276:Stomach Ulcer / Q000150:complications* / Q000000981:diagnostic imaging / Q000628:therapy