A Man with Tingling FingersBMJ 346:f1443, Larkman, M.,et al, 2013
Parkinsons DiseaseLancet 373:2055-2066, Lees,A.J.,et al, 2009
Progressive Supranuclear Palsy: A Current ReviewThe Neurologist 14:79-88, Lubarsky,M. &Juncos,J.L., 2008