title: Diagnosing fever of unknown origin in older patients.
mesh_terms: D000368:Aged; D000900:Anti-Bacterial Agents / Q000009:adverse effects; D003095:Collagen Diseases / Q000150:complications; D003141:Communicable Diseases / Q000150:complications; D005335:Fever of Unknown Origin / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D009369:Neoplasms / Q000150:complications; D014652:Vascular Diseases / Q000150:complications
chemical_list: D000900:Anti-Bacterial Agents