title: Nosocomial respiratory infections with gram-negative bacilli. The significance of colonization of the respiratory tract.
mesh_terms: D000900:Anti-Bacterial Agents / Q000009:adverse effects; D001419:Bacteria; D001424:Bacterial Infections / Q000209:etiology / Q000382:microbiology*; D003428:Cross Infection / Q000209:etiology / Q000382:microbiology*; D004032:Diet; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D007362:Intensive Care Units; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012137:Respiratory System / Q000382:microbiology; D012141:Respiratory Tract Infections / Q000209:etiology / Q000382:microbiology*
chemical_list: D000900:Anti-Bacterial Agents