1. Surveillance for safety after immunization: Vaccine Adverse Event Reporting System (VAERS) – United States, 1991–2001;Zhou;MMWR Surveill Summ,2003
2. US Department of Health and Human Services (DHHS). National Childhood Vaccine Injury Act (NCVIA) of 1986. 42 U.S.C. 1986:§§ 300aa-301 to 300aa-334. Available from: http://www.hrsa.gov/vaccinecompensation/authoringleg.pdf.
3. Red book: 2012 report of the Committee on Infectious Diseases;American Academy of Pediatrics,2012
4. Progress in immunization information systems – United States, 2008;Morbidy and Mortality Weekly Report;MMWR Surveill Summ,2010
5. VAERS vaccine lot information;Centers for Disease Control and Prevention (CDC),2011