Levetiracetam has opposite effects on alcohol- and cocaine-related behaviors in C57BL/6J mice. - Robinson JE; Chen M; Stamatakis AM; Krouse MC; Howard EC; Faccidomo S; Hodge CW; Fish EW; Malanga CJ (Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2013)