Plasma Concentration Profile of Epidural Alfentanil: Bolus Followed by Continuous Infusion Technique in the Parturient: Effect of Epidural Alfentanil and Fentanyl on Fetal Heart Rate
Plasma Concentration Profile of Epidural Alfentanil: Bolus Followed by Continuous Infusion Technique in the Parturient: Effect of Epidural Alfentanil and Fentanyl on Fetal Heart Rate