title: The Veterans Administration Cooperative Study on Gastric Ulcer. 6. Cancer. I. Clinical aspects.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D004381:Duodenal Ulcer / Q000150:complications; D005500:Follow-Up Studies; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013274:Stomach Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000401:mortality / Q000473:pathology / Q000601:surgery; D013276:Stomach Ulcer / Q000150:complications; D013997:Time Factors; D014481:United States; D001741:Black or African American