Tolerance to intravenous ranitidine.
D004361:Drug Tolerance; D005744:Gastric Acid / Q000378:metabolism*; D006801:Humans; D007223:Infant; D007275:Injections, Intravenous; D008286:Malabsorption Syndromes / Q000188:drug therapy*; D011899:Ranitidine / Q000008:administration & dosage / Q000627:therapeutic use*; D013997:Time Factors
D011899:Ranitidine