1. Cost-benefit and cost effectiveness analysis of vaccine policy;Miller,1999
2. National, state and urban area vaccination coverage levels among children aged 19–35 months—United States, 1999;Morbid Mortal Wkly Rep,2000
3. National, state and urban area vaccination coverage levels among children aged 19–35 months—United States, July 1996–June 1997;Morbid Mortal Wkly Rep,1997
4. Immunization coverage in a population-based sample of Maryland children;Williams;Arch Pediatr Adolesc Med,1994
5. Vaccination coverage by race/ethnicity and poverty level among children aged 19–35 months—United States, 1996;Morbid Mortal Wkly Rep,1997