Epidural Sufentanil for Analgesia for Labor and Delivery
Robert B. Steinberg, Steven M. Dunn, George Powell, Xiaohan Hu
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Sep 1989, 14 (5) 225-228; DOI: 10.1136/rapm-00115550-198914050-00005