Comparison of the effects of meperidine and nalbuphine on intrapartum fetal heart rate tracings.
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Dawes
D000701:Analgesics, Opioid / Q000494:pharmacology*; D005260:Female; D006340:Heart Rate, Fetal / Q000187:drug effects*; D006801:Humans; D007743:Labor, Obstetric; D008614:Meperidine / Q000494:pharmacology*; D009266:Nalbuphine / Q000494:pharmacology*; D011247:Pregnancy
D000701:Analgesics, Opioid; D008614:Meperidine; D009266:Nalbuphine