[Pethidine to women in labor].
Simsa
J
J
D016362:Analgesia, Obstetrical; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D004363:Drug Utilization; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008614:Meperidine / Q000008:administration & dosage*; D011247:Pregnancy
D000701:Analgesics, Opioid; D008614:Meperidine