[Gastric and duodenal ulcer: different diseases?].
D000293:Adolescent; D000328:Adult; D002648:Child; D004381:Duodenal Ulcer; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer
Ulcera gástrica e úlcera duodenal: doenças distintas.