title: Age-related variability.
authors: National Institute on Aging, Bethesda, Maryland 20892.
authors: R L
authors: RL
authors: Sprott
mesh_terms: D000375:Aging / Q000502:physiology*; D005544:Forecasting; D005853:Geriatrics / Q000379:methods; D006801:Humans; D007206:Individuality