title: The bacteriology of surgical theatres with and without unidirectional airflow.
mesh_terms: D000391:Air Microbiology; D001178:Arthroplasty; D003428:Cross Infection / Q000517:prevention & control; D004391:Dust; D006615:Hip / Q000601:surgery; D006801:Humans; D009873:Operating Rooms; D012606:Scotland; D013530:Surgical Wound Infection / Q000453:epidemiology / Q000517:prevention & control*; D014691:Ventilation
chemical_list: D004391:Dust