in a randomized , double-blind study of 39 mothers in labour , we have compared a loading dose of 0.5 % bupivacaine 6.0 ml and fentanyl 100 micrograms given extradurally , followed by an infusion of 0.08 % bupivacaine 15 ml h-1 plus fentanyl 37.5 micrograms h-1 , with a loading dose of 0.5 % bupivacaine 6.0 ml and saline 2.0 ml , followed by an extradural infusion of 0.08 % bupivacaine alone , per hour .
C1329986
bupivacaine
C0006400
bupivacaine