Fungi and clostridia in hospital air: the effect of air-conditioning.
D000389:Air Conditioning; D000391:Air Microbiology; D001431:Bacteriological Techniques / Q000295:instrumentation; D002452:Cell Count; D003016:Clostridium perfringens / Q000302:isolation & purification*; D004739:England; D005658:Fungi / Q000302:isolation & purification*; D006761:Hospitals; D014691:Ventilation