1. A short history of vaccination;Plotkin,2008
2. Smallpox: the death of a disease;Henderson,2009
3. Polio vaccines and the eradication of poliomyelitis;Minor;Lancet,2012
4. Progress promises, and perceptions: the national vaccine plan – a path forward for the coming decade. The Jordan report;Gellin,2012
5. Adverse effects of vaccines: evidence and causality;Institute of Medicine,2012