1. Requirements for ingredients of animal origin used for production of biologics,2006
2. Detection of cytopathogenic and/or hemadsorbing agents,2006
3. Detection of extraneous viruses by the fluorescent antibody technique,2006
4. EMEA: note for guidance on the use of bovine serum in the manufacture of human biological medicinal products (CPMP/BWP/1793/02). London; 2003. p. 1–8. Available at: .
5. General principles underlying laboratory diagnosis of viral and rickettsial infections;Lennette,1969