[Early diagnosis and treatment of stomach and duodenal ulcers].
D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000628:therapy; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis* / Q000628:therapy*; D013276:Stomach Ulcer / Q000175:diagnosis / Q000628:therapy