title: Calcium carbonate antacid and serum gastrin concentration in duodenal ulcer.
mesh_terms: D002118:Calcium / Q000097:blood / Q000378:metabolism; D002119:Calcium Carbonate / Q000494:pharmacology*; D004381:Duodenal Ulcer / Q000378:metabolism*; D005750:Gastric Juice / Q000378:metabolism*; D005755:Gastrins / Q000097:blood*; D006801:Humans
chemical_list: D005755:Gastrins; D002119:Calcium Carbonate; D002118:Calcium