15. Morrell M., Leppik I., French J., Ferrendelli J., Han J., Magnus L. The KEEPERTM trial: Levetiracetam adjunctive treatment of partial-onset seizures in an open-label community-based study [published corrigendum appears in Epilepsy Res 2003; 56:209-210. Epilepsy Res 2003;54:153-61.