1. Annual summary of births, marriages, divorces, and deaths: United States;National Center for Health Statistics,1993
2. Annual summary of births, marriages, divorces, and deaths: United States;National Center for Health Statistics,1994
3. Mortality patterns: United States, 1991;Centers for Disease Control and Prevention;MMWR,1993
4. Mortality patterns: United States, 1991;Centers for Disease Control and Prevention;MMWR,1993
5. Years of potential life lost before age 65: United States, 1990 and 1991;Centers for Disease Control and Prevention;MMWR,1993