title: FUO: how it has changed in 20 years.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004830:Epilepsy, Tonic-Clonic / Q000175:diagnosis; D005335:Fever of Unknown Origin / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D005500:Follow-Up Studies; D006099:Granuloma / Q000150:complications; D006801:Humans; D007239:Infections / Q000150:complications; D007244:Infectious Mononucleosis / Q000175:diagnosis; D008297:Male; D009369:Neoplasms / Q000150:complications; D010808:Physical Examination