Normal Pressure Hydrocephalus Due to Membranous Obstruction of the Sylvian Aqueduct
Neurol 28:835-837, Murphy,M.J.,et al, 1978
Syndrome of Normal Pressure Hydrocephalus:Possible Relation to Hypertensive & Arteriosclerotic Vasculopathy
JNNP 40:73-79, Koto,A.,et al, 1977