title: The changing relation between mortality and level of economic development. Population Studies, Vol. 29, No. 2, July 1975.
authors.forename: Samuel H
authors.initials: SH
authors.lastname: Preston
mesh_terms: D004467:Economics / Q000639:trends*; D004813:Epidemiology / Q000266:history; D049673:History, 20th Century; D007182:Income / Q000639:trends; D008017:Life Expectancy; D009026:Mortality / Q000639:trends*