1. Hepatitis B virus: a comprehensive strategy for eliminating transmission in the United States through universal childhood vaccination. Recommendations of the Immunization Practices Advisory Committee (ACIP);MMWR,1991
2. Progress in coverage with hepatitis B vaccine among US children, 1994–1997;Yusuf;Am J Public Health,1999
3. National, state, and urban area vaccination coverage levels among children aged 19–35 months—United States, 1997;MMWR,1998
4. National vaccination coverage levels among children aged 19–35 months—United States, 1998;MMWR,1999
5. National, state, and urban area vaccination coverage levels among children aged 19–35 months—United States, 1999;MMWR,2000