title: Acid secretion after calcium carbonate in patients with duodenal ulcer.
mesh_terms: D000328:Adult; D000368:Aged; D000863:Antacids / Q000494:pharmacology* / Q000627:therapeutic use; D001639:Bicarbonates / Q000494:pharmacology; D002118:Calcium / Q000097:blood; D002119:Calcium Carbonate / Q000494:pharmacology* / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004381:Duodenal Ulcer / Q000188:drug therapy / Q000503:physiopathology*; D005215:Fasting; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000187:drug effects / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000494:pharmacology; D008875:Middle Aged; D012964:Sodium / Q000494:pharmacology
chemical_list: D000863:Antacids; D001639:Bicarbonates; D012964:Sodium; D002119:Calcium Carbonate; D008274:Magnesium; D002118:Calcium