title: Commentary: longitudinal studies on aging and the development of geriatrics in North America.
authors.affiliation: Department of Psychiatry and Behavioral Sciences, Box 3003, Duke University Medical Center, Durham, NC 27710, USA. blaze001@mc.duke.edu
authors.forename: Dan G
authors.initials: DG
authors.lastname: Blazer
mesh_terms: D000368:Aged; D000375:Aging; D005853:Geriatrics / Q000639:trends; D006801:Humans; D008137:Longitudinal Studies; D014481:United States