Airborne bacteria in open and air-conditioned surgical wards.
D000389:Air Conditioning; D000391:Air Microbiology; D001419:Bacteria / Q000302:isolation & purification*; D003428:Cross Infection / Q000517:prevention & control; D013502:General Surgery; D006748:Hospital Departments; D006801:Humans; D013210:Staphylococcus / Q000302:isolation & purification