Wray S H, Martinez-Hernandez E, Dalmau J, Maheshwari A, Chen A, King S, Bishop Pitman M, Leigh R J
Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
Neurology. 2011 Aug 16;77(7):691-3. doi: 10.1212/WNL.0b013e318229e6a5. Epub 2011 Aug 3.