title: Nosocomial gram-negative bacillary infections in compromised hosts: considerations on prevention and therapy.
mesh_terms: D001424:Bacterial Infections / Q000188:drug therapy / Q000517:prevention & control*; D001530:Belgium; D003428:Cross Infection / Q000188:drug therapy / Q000517:prevention & control*; D006090:Gram-Negative Bacteria; D006761:Hospitals; D006801:Humans; D007108:Immune Tolerance