Turner Martin R, Eisen Andrew, Kiernan Matthew C, Ravits John, Swash Michael
Nuffield Department of Clinical Neurosciences, Oxford University, Oxford, UK.
Department of Neurology, University of British Columbia, Vancouver, British Columbia, Canada.
J Neurol Neurosurg Psychiatry. 2018 Jun;89(6):657-666. doi: 10.1136/jnnp-2017-317217. Epub 2017 Nov 9.