fifty patients with therapeutic plasma concentrations of or above 15 micrograms/ml phenytoin , 25 micrograms/ml plasma concentrations of or above 15 micrograms/ml phenytoin , 25 micrograms/ml phenobarbital , or 6 micrograms/ml carbamazepine more often had partial epilepsies , complex partial seizures and , most markedly , a higher number of seizures in the first year of epilepsy and during the year prior to the present drug therapy , when compared with 34 patients with lower therapeutic plasma concentrations .
C0031412
phenobarbital
C0014547
partial epilepsies