Duncan John S, Hamani Clement
From the National Hospital for Neurology and Neurosurgery (J.S.D.), Queen Square, London, UK; and the Division of Neurosurgery (C.H.), University of Toronto, Canada.
Neurology. 2015 Feb 24;84(8):768-9. doi: 10.1212/WNL.0000000000001297. Epub 2015 Jan 23.