title: A clinical trial of hyoscine-N-butylbromide in labour.
mesh_terms: D000293:Adolescent; D000328:Adult; D000700:Analgesics / Q000494:pharmacology*; D001965:Bromides / Q000494:pharmacology; D002584:Cervix Uteri / Q000187:drug effects; D004106:Dilatation; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D007751:Labor, Induced; D008614:Meperidine / Q000494:pharmacology; D011247:Pregnancy; D012601:Scopolamine / Q000494:pharmacology*
chemical_list: D000700:Analgesics; D001965:Bromides; D008614:Meperidine; D012601:Scopolamine