Nygaard Haakon B, Shenoi Sheela, Shukla Salil
Department of Neurology, Cellular Neuroscience, Neurodegeneration and Repair Program, Yale University School of Medicine, 295 Congress Ave., BCMM 436, New Haven, CT 06536-0812, USA.
Neurology. 2009 Aug 4;73(5):404. doi: 10.1212/WNL.0b013e3181b04cb1.