Zadrożniak A, Trojnar MK, Trojnar MP, et al. Verapamil enhances the anticonvulsant effect of oxcarbazepinein the maximal electroshock-induced seizure model in mice. Curr. Issues Pharm. Med. Sci. 2009;22(2):115-124. doi:10.2478/v10080-008-0188-5