[THE SITE OF ULCER IN GASTRIC AND DUODENAL ULCER AND ITS RELATION TO GASTRIC ACIDITY].
D004381:Duodenal Ulcer; D005750:Gastric Juice; D006801:Humans; D013276:Stomach Ulcer; D014456:Ulcer
DUODENAL ULCER; GASTRIC JUICE; STOMACH ULCER
UMIEJSCOWIENIE WRZODU W CHOROBIE WRZODOWEJ ZOL ADKA I DWUNASTNICY A KWA'SNO'S'C TRE'SCI ZOL ADKA.