in an attempt to determine whether the dose of an antiepileptic drug should be increased in epileptic patients who were seizure-free and had subtherapeutic serum levels , 79 patients with idiopathic generalized tonic-clonic seizures treated with monotherapy [ phenytoin ( pht ) or phenobarbital ( pb ) ] and with a subtherapeutic serum level were prospectively studied .
C0003299
antiepileptic drug
C0031507
phenytoin