Sniffing Out Parkinson Disease: Can Olfactory Testing Differentiate Parkinsonian Disorders?
Neurologist 13:382-385, McKinnon,J.H.,et al, 2007
Olfactory Testing Differentiates Between Progressive Supranuclear Palsy & Idiopathic Parkinson's Dis
Neurol 43:962-965, Doty,R.L.,et al, 1993