title: Letter: Gastric emptying in labour.
mesh_terms: D000700:Analgesics / Q000494:pharmacology; D005260:Female; D005769:Gastrointestinal Motility; D006801:Humans; D007743:Labor, Obstetric; D010528:Peristalsis / Q000187:drug effects; D011247:Pregnancy; D013270:Stomach / Q000187:drug effects / Q000502:physiology*
chemical_list: D000700:Analgesics