Nosocomial infection: risks associated with short-term and long-term inpatient care.
D000368:Aged; D000900:Anti-Bacterial Agents / Q000493:pharmacokinetics; D003428:Cross Infection / Q000209:etiology* / Q000517:prevention & control; D006801:Humans; D007902:Length of Stay; D009643:Norfloxacin / Q000627:therapeutic use; D014552:Urinary Tract Infections / Q000209:etiology* / Q000517:prevention & control
D000900:Anti-Bacterial Agents; D009643:Norfloxacin