749 patients undergoing varicose vein stripping were divided in two groups : 371 patients received bupivacaine 0.5 % with adrenalin 1:200,000 and 378 patients bupivacaine 0.75 % with por-8 ( 0.1 i.u./ml ) for epidural anaesthesia .
C0359953
bupivacaine
C0006400
bupivacaine