title: Twenty four hour intragastric acidity analysis for the future.
mesh_terms: D004381:Duodenal Ulcer / Q000188:drug therapy / Q000378:metabolism; D005745:Gastric Acidity Determination; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010437:Peptic Ulcer / Q000378:metabolism*; D011899:Ranitidine / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D011899:Ranitidine