共 5 条
[1]
Vital Statistics of the United States, 1989, (1992)
[2]
World Health Statistics Annuals, (1987)
[3]
Cancer Statistics Review, (1973)
[4]
Current Population Reports, Series P‐25, No. 1018 update. Projections of the Population of the United States, by Age, Sex, and Race, (1987)
[5]
United States Population Estimates, by Age, Sex, Race and Hispanic Origin, (1980)