1. Growth of medical laboratory work during 1920-2000;Barnard, H.F.;British Medical Journal,1976
2. National Health Service laboratories in England, 1966-74;Buttolph, M.A.;Journal of Clinical Pathology,1977
3. The Prevention of Laboratory Acquired Infection (PHLS;Collins, C.H.; Hartley, E.G.; Pilsworth, R.;Monographs,1974
4. in the United Kingdom of Pathogens very dangerous to Humans;Department of Health and Social Security, London
5. DHSS (1972a). Safety in Pathology Laboratories. HMSO, London,1972