in a randomized , double-blind study , 40 female patients underwent major gynaecological surgery with extradural anaesthesia provided by 0.75 % bupivacaine , 0.75 % bupivacaine with adrenaline 5 micrograms ml-1 , 1.5 % etidocaine or 1.5 % etidocaine with adrenaline 5 micrograms ml-1 , 20 ml in each case .
C0015120
etidocaine
C0717747
etidocaine