title: Horizontal flow clean room. Bacteriologic studies.
mesh_terms: D000391:Air Microbiology; D001431:Bacteriological Techniques; D003020:Clothing; D006801:Humans; D007595:Joint Prosthesis; D009873:Operating Rooms; D013530:Surgical Wound Infection / Q000517:prevention & control*; D014691:Ventilation