title: Assessment of vitality and aging.
authors.forename: R J
authors.initials: RJ
authors.lastname: Havlik
mesh_terms: D000368:Aged; D000375:Aging / Q000502:physiology*; D015577:Geriatric Assessment; D006801:Humans; D005082:Physical Exertion; D011788:Quality of Life; D012919:Social Behavior