1. Cochi SL, Shimp L, Gasse F, Andrus JK. International issues in immunization. Emerg Infect Dis [serial on the Internet]. 2004 November [2004 Oct 29]. Available from http://www.cdc.gov/ncidod/EID/vol10no11/04-0624_06.htm
2. Sustaining Immunization Program-elimination of rubella and congenital rubella syndrome by the year 2010. In the 44th Meeting Pan American Directing Council, Washington DC, Sep 2003. Resolution CD44/R1. Pan American Health Organization; 2003. Available from http://www.paho.org/english/gov/cd/cd44-r1-e.pdf
3. Expanded program on immunization: 25th anniversary.;Pan American Health Organization;EPI Newsl,2002
4. Millennium development goals and health targets. In the 38th Session of the Subcommittee on Planning and Programming of the Executive Committee, Washington, DC, Mar 2004. Document SPP38/4. Pan American Health Organization; 2004. Available from http://www.paho.org/Project.asp?SEL=OR&LNG= ENG&U=GOV&D=CE&PRGRP=docs_gen
5. Conclusions and recommendations. Presented at the Third Meeting of the International Commission for the Certification of Poliomyelitis of Eradication in the Américas. Americas certified polio free.;Pan American Health Organization;EPI Newsl,1994