[Gastroduodenal ulcer and occupations].
D004381:Duodenal Ulcer / Q000209:etiology*; D006801:Humans; D008297:Male; D008669:Metallurgy; D009784:Occupational Diseases / Q000209:etiology*; D013276:Stomach Ulcer / Q000209:etiology*; D013696:Temperature; D015022:Yugoslavia
Gastro-duodenalni ulkus i zanimanje.