title: Senescence, frailty and mortality: mathematical models of aging.
mesh_terms: D000368:Aged; D000375:Aging; D003710:Demography; D005544:Forecasting; D016330:Frail Elderly / Q000706:statistics & numerical data*; D006801:Humans; D008017:Life Expectancy; D008954:Models, Biological; D009026:Mortality