RT Journal Article SR Electronic T1 “Epidural Fentanyl in Cesarean Section: Maternal Absortion and Placental Transfer” JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 16 OP 16 DO 10.1136/rapm-00115550-199318011-00016 VO 18 IS Suppl 1 A1 S.M. S. Cerda A1 G H.F.Miranda A1 T. G.Pinardi YR 1993 UL http://rapm.bmj.com/content/18/Suppl_1/16.abstract AB