1. A short history of vaccination;Plotkin,2008
2. Regulation and testing of vaccines;Baylor,2008
3. General Considerations for combined vaccine;WHO Expert Committee on Biological Standardization. 30th Report;WHO Tech Rep Ser,1979
4. Minimum requirements for biological products, Japan, National Institute of Infectious Diseases, http://www.nih.go.jp/niid/MRBP/seibutsuki_english.pdf.
5. Code of Federal Regulations. Title 21, Vol. 7, CITE: 21 CFR 610.11, http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=610.11.