RT Journal Article SR Electronic T1 Epidural morphine and buprenorphine for analgesia during and after cesarean section: maternal effects and neonatal outcome JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 26 OP 26 DO 10.1136/rapm-00115550-199015011-00026 VO 15 IS Suppl 1 A1 Capogna, G. A1 Celleno, D. A1 Costantino, P. A1 Sebastiani, M. A1 Muratori, F. A1 Emanuelli, M. YR 1990 UL http://rapm.bmj.com/content/15/Suppl_1/26.abstract AB