1. FDA Vaccines, Blood & Biologics: Cellular & Gene Therapy Products. [http://www.fda.gov/BiologicsBloodVaccines/CellularGeneTherapyProducts/default.htm]
2. FDA Vaccines, Blood & Biologics: OCTGT Learn. [http://www.fda.gov/BiologicsBloodVaccines/NewsEvents/ucm232821.htm]
3. FDA Vaccines, Blood & Biologics: CBER Foreign Regulatory Seminar. [http://www.fda.gov/BiologicsBloodVaccines/InternationalActivities/ucm272086.htm]
4. 14th International Conference of Drug Regulatory Authorities: Singapore, 30 November to 3 December 2010. [http://www.who.int/medicines/areas/quality_safety/regulation_legislation/icdra/14-ICDRA_recommendations.pdf]
5. EC Regulation No 1394/2007. [http://ec.europa.eu/health/files/eudralex/vol-1/reg_2007_1394/reg_2007_1394_en.pdf]