Esophagitis and duodenal ulcer.
D000328:Adult; D004381:Duodenal Ulcer / Q000150:complications*; D004941:Esophagitis / Q000000981:diagnostic imaging / Q000209:etiology*; D004945:Esophagoscopy; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography