Differentiating spectrophotometric titration of phenobarbital-diphenylhydantoin combinations in nonaqueous medium.
D004304:Dosage Forms; D010634:Phenobarbital / Q000032:analysis*; D010672:Phenytoin / Q000032:analysis*; D013053:Spectrophotometry
D004304:Dosage Forms; D010672:Phenytoin; D010634:Phenobarbital