The Nondystrophic MyotoniasIn Myology, McGraw-Hill, 2nd Ed, Ch49, p1291-13024., Rudel,R.,et al, 1994
Cardiac Side Effects of Phenytoin & Carbamazepine, A Dose-Related PhenomenonArch Neurol 42:1067-1068, Durelli,L.,et al, 1985