1. Global Programme for Vaccines and Immunizations Expanded Programme on Immunization. Immunization policy. Geneva: World Health Organization, 1996
2. American Academy of Pediatrics. Active and passive immunization. In: Pickering L.K. (Ed) 2000 Red Book: Report of the Committee on Infectious Diseases. Elk Grove Village, IL: American Academy of Pediatrics, 2000:1–82.
3. Anonymous. Prospects for immunization in the next century appear to be promising; Katz has conducted research on various diseases such as measles, smallpox, polio, rubella, and pertussis. Infec Dis Children, 1998
4. Madlon-Kay DJ, Harper PG. Too many shots? Parent, nurse, and physician attitudes toward multiple simultaneous childhood vaccinations. Arch Fam Med 1994; 3:610–3
5. Wood D, Halfon N, Donald-Sherbourne C, et al. Increasing immunization rates among inner-city, African American children. A randomized trial of case management. J Am Med Assoc 1998; 279:29–34