1)Smith LA, et al : Cuthbert, Parenteral opioids for maternal pain management in labour. Cochrane Database Syst Rev 6 : CD007396, 2018
2)Kim TK, et al : Basic principles of pharmacology. Gropper MA, et al(eds):Miller's anesthesia, 9th ed. p472, Elsevier, Philadellhpia, 2020
3)Marr RJ, et al : Cardiac arrest in an obstetric patient using remifentanil patient-controlled analgesia. Anaesthesia 68 : 283-287, 2013
4)Logtenberg SLM, et al : Serious adverse events attributed to remifentanil patient-controlled analgesia during labour in The Netherlands. Int J Obstet Anesth 39 : 22-28, 2019
5)Halpern SH, et al : A multicenter randomized controlled trial comparing patient-controlled epidural with intravenous analgesia for pain relief in labor. Anesth Analg 99 : 1532-1538, 2004