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Unverricht-Lundborg disease: photosensitivity

Clinically generalized myoclonus and associated EEG photosensitivity. (Courtesy of Dr. R Kalviainen. From:Kalviainen R, Mervaala E. Unverricht-Lundborg disease (EPM1). In: Panayiotopoulos CP, editor. Atlas of epilepsies. London: Springer, 2010:1225-30.)