title: Duration of action of an antacid in two groups of patients.
mesh_terms: D000536:Aluminum Hydroxide / Q000494:pharmacology; D000863:Antacids / Q000494:pharmacology*; D002986:Clinical Trials as Topic; D004338:Drug Combinations / Q000494:pharmacology; D005743:Gastrectomy; D005746:Gastric Emptying; D006801:Humans; D008276:Magnesium Hydroxide / Q000494:pharmacology; D008297:Male; D008875:Middle Aged; D011708:Pylorus / Q000601:surgery; D013276:Stomach Ulcer / Q000601:surgery*; D013997:Time Factors; D014628:Vagotomy
chemical_list: D000863:Antacids; D004338:Drug Combinations; C013591:aluminum hydroxide, magnesium hydroxide, drug combination; D000536:Aluminum Hydroxide; D008276:Magnesium Hydroxide