Design and implementation of a multi-PNN structure for discriminating one-month abstinent heroin addicts from healthy controls using the P600 component of ERP signals. - Ioannis Kalatzis; Nikolaos Piliouras; Eric Ventouras; Charalabos C. Papageorgiou; Ioannis A. Liappas; Chrysoula C. Nikolaou; Andreas D. Rabavilas; Dionisis A. Cavouras (Pattern Recognit. Lett., 2005)