Willison Hugh, Scherer Steven S
From the College of Medicine (H.W.), Veterinary Medicine and Life Sciences, University of Glasgow, UK; and Department of Neurology (S.S.S.), The Perelman School of Medicine at the University of Pennsylvania, Philadelphia.
Neurology. 2014 Jul 8;83(2):106-8. doi: 10.1212/WNL.0000000000000581. Epub 2014 Jun 11.