1. Centers for Disease Control and Prevention. (1999). Ten great public health achievements—United States, 1900–1999. MMWR, 48, 241–243.
2. Centers for Disease Control and Prevention. (1999). Achievements in public health, 1900–1999: Impact of vaccines universally recommended for children—United States, 1900–1998. MMWR, 48, 243–248.
3. Healthy People. (2010). Objectives. Available at http://www.healthypeople.gov/document/html/objectives/14-24.htm and http://www.healthypeople.gov/document/html/objectives/14-22.htm . Accessed on November 18, 2008.
4. Salmon, D. A., Moulton, L. H., Orner, S. B., deHart, M. P., Stokley, S., & Halsey, N. A. (2005). Factors associated with refusal of childhood vaccines among parents of school-aged children: A case—Control study. Archives of Pediatrics and Adolescent Medicine, 159, 470–476.
5. Gellin, B. G., Maibach, E. W., & Marcuse, E. K. (2000). Do parents understand immunizations? a national telephone survey. Pediatrics, 106, 1097–1102.