title: Pethidine, metoclopramide and the gastro-oesophageal sphincter.
mesh_terms: D004943:Esophagogastric Junction / Q000187:drug effects*; D006801:Humans; D008614:Meperidine / Q000037:antagonists & inhibitors*; D008787:Metoclopramide / Q000494:pharmacology*
chemical_list: D008614:Meperidine; D008787:Metoclopramide