1. CBER (Centre for Biologics Evaluation and Research): Points to consider in the characterization of cell lines used to produce biologicals. Food and Drugs Administration, Bethesda (USA) 1993.
2. CPMP (Committee for Proprietary Medicinal Products), ad hocWorking Party on Biotechnology/Pharmacy: Guidelines on the production and control of medicinal products derived by recombinant DNA technology.TIBTECH 5, G1–4 (1987).
3. Dewar E., Parrett A.M., Mowles J.M., Bolton B., Booth S., Doyle A., Greenaway P.J., Farrar G.: Establishment and characterisation of a human CD4 positive cell bank for HIV related studies.Biologicals 18, 289–294 (1990).
4. Doyle A., Morris C.B., Armitage W.J.:Cryopreservation of Animal Cells. Upstream Processes: Equipment and Techniques, pp. 1–17. Alan R. Liss Inc., New York 1988.
5. Doyle A., Morris C.B., Melling J.M.: Animal cell culture collections and the supply of authenticated cultures and services for industry and research, Chapter 7 inBiotechnology and Genetic Engineering Reviews, Vol. 7. Intercept Ltd., Andover (UK) 1989.