Strzelczyk, Adam The Burden of Severely Drug-Refractory Epilepsy: A Comparative Longitudinal Evaluation of Mortality, Morbidity, Resource Use, and Cost Using German Health Insurance Data. [electronic resource] - Frontiers in neurology 2017 - 712 p. digital Publication Type: Journal Article ISSN: 1664-2295 Standard No.: 10.3389/fneur.2017.00712 doi