U. S. decennial life tables for 1969-71. - National Center for Health (Estados Unidos) (Rockville, Maryland : U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1975)
Volume I, Number 1. United States life tables : 1969-71
Keywords: MORTALIDAD -- ESTADOS UNIDOS; ESTADOS UNIDOS -- ESTADISTICA VITAL -- 1969-1971; EXPECTATIVA DE VIDA; ESTADOS UNIDOS -- POBLACION