1. Biological activity of residual cell–substrate DNA;Peden;Dev. Biol.,2006
2. Contribution of CpG motifs to the immunogenicity of DNA vaccines;Klinman;J. Immunol.,1997
3. L1 retrotransposition in human neural progenitor cells;Coufal;Nature,2009
4. WHO Expert Committee on Biological Standardization;WHO,1998
5. Guidance for Industry: Characterization and Qualification of Cell Substrates and Other Biological Materials Used in the Production of Viral Vaccines for Infectious Disease Indications;FDA,2010