title: Proceedings: Narcotic analgesics and delayed gastric emptying in labour.
mesh_terms: D000773:Anesthesia, Obstetrical; D005260:Female; D005769:Gastrointestinal Motility / Q000187:drug effects*; D003932:Heroin / Q000009:adverse effects*; D006801:Humans; D007743:Labor, Obstetric; D008614:Meperidine / Q000009:adverse effects*; D008787:Metoclopramide / Q000494:pharmacology; D011247:Pregnancy
chemical_list: D003932:Heroin; D008614:Meperidine; D008787:Metoclopramide