A double blind trial of diazepam in labour.
D000700:Analgesics; D002986:Clinical Trials as Topic; D003975:Diazepam / Q000009:adverse effects; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008614:Meperidine; D009132:Muscles / Q000187:drug effects; D010919:Placebos; D011247:Pregnancy
D000700:Analgesics; D010919:Placebos; D008614:Meperidine; D003975:Diazepam