the anticonvulsant drugs phenobarbital , phenytoin , sodium valproate , and phenytoin-sodium valproate in combination were administered daily to ( a ) pregnant rats starting on the 5th day after conception , and continued through 17 days postpartum , or ( b ) to developing rats between 3 and 17 days of age .
C0031507
phenytoin
C0237417
phenytoin-sodium