1. Evolution of activities in international standardization since the early days of the Health Organization of the League of Nations;Sizaret;Bull WHO,1988
2. Adverse events following immunization;Dittmann,1990
3. Unsafe injections;Kane;Bull World Health Organ,1998
4. Vaccine risks: real, perceived, and unknown;Chen,1999
5. Howson CP, Howe CJ, Fineberg HV (editors). Adverse effects of pertussis and rubella vaccines. In: A report of the Committee to Review the Adverse Consequences of Pertussis and Rubella Vaccines 1991. Washington, DC: National Academy Press, 1991