A Case of Normal Pressure Hydrocephalus Presenting as Levodopa Responsive Parkinsonism
JNNP 50:234, Clough,C.G., 1987
Progressive Supranuclear Palsy & Normal-pressure Hydrocephalus
Neurol 29:1544-1546, Morariu,M.A., 1979
Occult Normal Pressure Hydrocephalus Manifested by Parkinsonism-dementia Complex
Neurol 23:234-238, Sypert,G.W.,et al, 1973