1. Expanded ATXN2 CAG repeat size in ALS identifies genetic overlap between ALS and SCA2
2. El escorial World Federation of Neurology criteria for the diagnosis of amyotrophic lateral sclerosis
3. Electrodiagnostic criteria for diagnosis of ALS
4. A proposal for new diagnostic criteria for ALS
5. Magladery, J.W. and McDougal Jr., D.B. (1950) Electrophysio-logical Studies of Nerve and Reflex Activity in Normal Man. I. Identification of Certain Reflexes in the Electromyogram and the Conduction Velocity of Peripheral Nerve Fibers. Bulletin of the Johns Hopkins Hospital, 86, 265-290.