the acute and chronic effects of the antiepileptic drugs clonazepam ( 0.06 , 0.13 , and 0.25 mg/kg ) , phenytoin ( 2.5 , 5 , and 7.5 mg/kg ) , ethosuximide ( 40 , 80 , and 120 mg/kg ) , and valproic acid ( 40 , 80 , and 120 mg/kg ) were evaluated in pigeons responding under a repeated acquisition procedure .
C0003299
antiepileptic
C0042291
valproic acid