[Basal chlorhydria-duodenal ulcer lesion relationship].
D000328:Adult; D000367:Age Factors; D004381:Duodenal Ulcer / Q000209:etiology*; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D008722:Methods; D008875:Middle Aged
Relación clorhidria basal-lesión ulcerosa duldenal.