1. Alberts, B., Bray, D., Lewis, J., Raff, M., Roberts, K. and Watson J. D. (1989) Molecular Biology of the Cell. (2nd Edition). Garland Publishing.
2. Aula, P. and Nichols, W. W. (1967) The cytogenetic effects of mycoplasma in human leucocyte cultures. J. Cell Physiol.70: 281–90.
3. Committee for Proprietary Medicinial Products AdHoc Working Party on Biotechnology/ Pharmacy (CPMP). (1987) Guidelines on the production and quality control of medicinal products derived by recombinant DNA technology. T.I.B. Tech. 5: Gl-3.
4. Committee for Proprietary Medicinal Products AdHoc Working Party on Biotechnology/Pharmacy (CPMP). (1988) Guidelines on the production and quality control of monoclonal antibodies of murine origin intended for use in man. T.I.B. Tech.6: G5–8.
5. Gilbert, D. A., Reid, Y. A., Gail, M. H., Pee, D., White, C., Hay, R. J. and O’Brian, S. J. (1990) Application of DNA fingerprints for cell line individualisation. Am. J. Hum. Gen.47: 499–514.