Prophylaxis of febrile convulsions.
D006801:Humans; D007223:Infant; D010634:Phenobarbital / Q000008:administration & dosage*; D010672:Phenytoin / Q000008:administration & dosage*; D011897:Random Allocation; D003294:Seizures, Febrile / Q000517:prevention & control*
D010672:Phenytoin; D010634:Phenobarbital