title: Cancer of the stomach and duodenal ulcer: report of two cases with a discussion of the significance of this rare association.
mesh_terms: D001466:Barium Sulfate; D004381:Duodenal Ulcer / Q000150:complications* / Q000000981:diagnostic imaging / Q000378:metabolism; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013274:Stomach Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology
chemical_list: D001466:Barium Sulfate