title: Letter: Floor bacteria in an intensive-care unit.
mesh_terms: D000985:Antisepsis; D001424:Bacterial Infections / Q000517:prevention & control; D001431:Bacteriological Techniques; D003428:Cross Infection / Q000517:prevention & control*; D004865:Equipment and Supplies, Hospital; D006797:Housekeeping, Hospital; D007362:Intensive Care Units / Q000592:standards*