title: Air sampling: settle plates or slit samplers?
authors.forename: P
authors.initials: P
authors.lastname: Hoffman
authors.forename: H
authors.initials: H
authors.lastname: Humphreys
mesh_terms: D000391:Air Microbiology / Q000592:standards*; D001419:Bacteria / Q000302:isolation & purification*; D001431:Bacteriological Techniques / Q000379:methods*; D006801:Humans; D009873:Operating Rooms / Q000592:standards*; D006113:United Kingdom