[Gastric ulcer and chronic gastritis].
D002908:Chronic Disease; D004381:Duodenal Ulcer / Q000453:epidemiology*; D005756:Gastritis / Q000453:epidemiology*; D006801:Humans; D013030:Spain; D013276:Stomach Ulcer / Q000453:epidemiology*
Ulcera gástrica y gastritis crónica