Settle plate assessment of airborne infections.
D000391:Air Microbiology; D001419:Bacteria / Q000302:isolation & purification; D001431:Bacteriological Techniques; D002452:Cell Count; D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D009873:Operating Rooms; D012621:Seasons; D013997:Time Factors