title: Effect of preanesthetic ranitidine and metoclopramide on gastric contents in morbidly obese patients.
mesh_terms: D000328:Adult; D005745:Gastric Acidity Determination; D005766:Gastrointestinal Contents; D006801:Humans; D008787:Metoclopramide / Q000494:pharmacology*; D008875:Middle Aged; D009765:Obesity / Q000503:physiopathology*; D011229:Preanesthetic Medication; D011899:Ranitidine / Q000494:pharmacology*
chemical_list: D011899:Ranitidine; D008787:Metoclopramide