title: [Gastric pH and secretion volume in patients on cimetidine as preoperative medication].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002927:Cimetidine / Q000008:administration & dosage*; D005744:Gastric Acid / Q000378:metabolism*; D005750:Gastric Juice / Q000378:metabolism*; D005755:Gastrins / Q000097:blood; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008875:Middle Aged; D011229:Preanesthetic Medication; D011300:Preoperative Care
chemical_list: D005755:Gastrins; D002927:Cimetidine