1. Measurement of performance, maintenance and indication of correct function of the air supply and extract systems;Abel,1973
2. Operating room practice;Blowers,1962
3. Airborne bacteria in operating theatres;Bourdillon,1948
4. Occupational disease among operating room personnel, report of an ad hoc ommittee;Anaesthesiology,1974
5. Design, devices and discipline in operating room infection control;Laufman;Medical Instrumentation,1978