title: Sources of infection in an intensive care unit.
mesh_terms: D001431:Bacteriological Techniques; D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D007362:Intensive Care Units; D008029:Lighting; D011552:Pseudomonas Infections / Q000517:prevention & control*; D011550:Pseudomonas aeruginosa / Q000302:isolation & purification / Q000528:radiation effects; D013203:Staphylococcal Infections / Q000517:prevention & control*; D013210:Staphylococcus / Q000302:isolation & purification / Q000528:radiation effects; D014140:Tracheotomy / Q000009:adverse effects; D014466:Ultraviolet Rays