Szilagyi, P.G., Rodewald, L.E., Humiston, S.G., et al. (in press) Immunization Practices of Pediatricians and Family Physicians in the United States. Pediatrics.
USDHHS (U.S. Department of Health and Human Services). 1991. Healthy People 2000: National Health Promotion and Disease Prevention Objectives. DHHS Pub. No. (PHS) 91-50212. Washington, D.C.: Office of the Assistant Secretary for Health.
USDHHS. 1992. Health Diary. DHHS Pub. No. HRSA-MCHB-92-4. Washington, D.C.: Maternal and Child Health Bureau, Health Resources and Services Administration.
USDHHS. 1993. Child Health Guide. Washington, D.C.: U.S. Public Health Service.
Wood, D., Sherbourne, C., Halfon, N., et al. 1993. Increasing Immunizations Among Latino and African American Preschool Children in Los Angeles. Final Report. Los Angeles, Calif.: Cedars-Sinai Medical Center.