title: [Life expectancy and median life in life tables:  the historical emergence of these measures].
authors.forename: E
authors.initials: E
authors.lastname: Lombardo
mesh_terms: D003710:Demography; D008017:Life Expectancy; D015993:Life Tables; D008136:Longevity; D009026:Mortality; D011153:Population; D011157:Population Dynamics; D012106:Research; D012107:Research Design; D012942:Social Sciences
keywords: Demographic Analysis; Demographic Factors; Demography; Historical Demography; Historical Survey; Length Of Life; Life Expectancy; Life Table Method; Life Tables; Measurement; Mortality; Population; Population Dynamics; Research Methodology; Social Sciences; World