[SOME PROBLEMS CONCERNING THE PATHOGENESIS OF DUODENAL ULCER].
D004381:Duodenal Ulcer; D005745:Gastric Acidity Determination; D005750:Gastric Juice; D006801:Humans
DUODENAL ULCER; GASTRIC ACIDITY DETERMINATION; GASTRIC JUICE
NEKOTORYE VOPROSY PATOGENEZA IAZVENNO I BOLEZNI DVENADTSATIPERSTNO I.