title: Unstable disability and the fluctuations of frailty.
authors.affiliation: Department of Medicine, University of Otago Medical School, Dunedin, New Zealand.
authors.forename: A J
authors.initials: AJ
authors.lastname: Campbell
authors.forename: D M
authors.initials: DM
authors.lastname: Buchner
mesh_terms: D000203:Activities of Daily Living / Q000145:classification*; D000368:Aged; D004185:Disability Evaluation; D005080:Exercise Test; D016330:Frail Elderly / Q000706:statistics & numerical data*; D015577:Geriatric Assessment / Q000706:statistics & numerical data*; D018737:Hand Strength; D006801:Humans; D009483:Neuropsychological Tests; D015596:Nutrition Assessment