The present invention is directed to controlled release preparations of oxcarbazepine and {HEAD ~ derivatives} thereof for {TAIL ~ once a day administration} 
The present invention is directed to controlled release preparations of oxcarbazepine and { HEAD ~ derivatives } thereof for { TAIL ~ once a day administration }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL