Facial Bradykinesia
JNNP 84:681-685, Bologna, M.,et al, 2013
Progressive Supranuclear Palsy:Clinical Features & Response to Treatment in 16 Patients
Ann Neurol 13:273-278, Jackson,J.A.,et al, 1983
Blink Rates in Parkinsonism
Ann Neurol 12:580-583, Karson,C.N.,et al, 1982
Parkinson's Disease
In Handbk of Clinical Neurology, Vinken, P. J. & Bruyn, G. W. , Ed, North-Holland Publ Co, Amsterdam, 6:173, 1968. Selby, G., 1968