title: Frequency of "dementia of unknown etiology" increases with age.
authors.forename: K
authors.initials: K
authors.lastname: Jellinger
mesh_terms: D000368:Aged; D000375:Aging / Q000473:pathology*; D001921:Brain / Q000473:pathology; D003704:Dementia / Q000145:classification / Q000209:etiology* / Q000473:pathology; D006801:Humans