antipyrine ( ap ) clearance , half-life and volume of distribution were determined in 52 patients , taking one or more antiepileptic drug ( aed ) , before and 4 weeks after the complete removal of phenytoin ( pht , n = 20 ) , carbamazepine ( cbz , n = 15 ) and sodium valproate ( vpa , n = 17 ) .
C0003299
antiepileptic drug
C0037567
sodium valproate