Epidural Analgesia during and after Cesarean Delivery Comparison of Five Opioids
Danilo Celleno, Paolo Costantino, Marco Emanuelli, Giorgio Capogna, Fabio Muratori, Massimo Sebastiani, Gianni Cipriani
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Mar 1991, 16 (2) 79-83; DOI: 10.1136/rapm-00115550-199116020-00003