title: How frequent is normal pressure hydrocephalus?
authors.forename: Leopold
authors.initials: L
authors.lastname: Liss
mesh_terms: D003704:Dementia / Q000209:etiology*; D006787:Hospitals, Veterans; D006801:Humans; D006850:Hydrocephalus, Normal Pressure / Q000150:complications* / Q000453:epidemiology*; D009820:Ohio / Q000453:epidemiology; D011159:Population Surveillance