1. Safety of medical electrical equipment. Part 1 General requirements;BS 5724,1979
2. Guide to quality management and quality systems;BS 5750,1987
3. DHSS Register of Manufacturers. Available from Regional Supplies Officers or from Department of Health, Russell Square, London WC1B 5EP.
4. Code of Practice for Acceptance Testing of Medical Electrical Equipment;Health Equipment Information Number 95,1981
5. Management of Equipment;Health Equipment Information Number 98,1982