[Familial occurrence of peptic ulcer].
D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000235:genetics*; D011859:Radiography; D013276:Stomach Ulcer / Q000000981:diagnostic imaging
Rodzinne wystepowanie choroby wrzodowej.