Link MC, Wiemann M, Bingmann D. Organic and inorganic calcium antagonists inhibit veratridine-induced epileptiform activity in CA3 neurons of the guinea pig. Epilepsy Res. 2008 Feb;78(2-3):147–54. doi: 10.1016/j.eplepsyres.2007.11.002. PMID: 18083347.