1. Advance report on final natality statistics, 1988;National Center for Health Statistics.;Monthly Vital Statistics Report,1990
2. Advance report on final mortality statistics 1986;National Center for Health Statistics.;Monthly Vital Statistics Report,1989
3. Birthweight among women of different ethnic groups;Shiono;Journal of the American Medical Association,1986
4. Racial differences in low birthweight. Trends and risk factors;Kleinman;New England Journal of Medicine,1987
5. Ethnic differences in preterm and very preterm delivery;Shiono;American Journal of Public Health,1986