Levetiracetam in children with refractory epilepsy: A multicenter open label study in Germany

Joachim Opp, Ingrid Tuxhorn^*, Theodor May, Gerhard Kluger, Adelheid Wiemer-Kruel, Gerd Kurlemann, Gunther Gross-Selbeck, Dietz Rating, Ulrich Brandl, Ulrich Bettendorf, Christoph Härtel, Elisabeth Korn-Merker