title: Fever of unknown origin. Analysis of 34 patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003095:Collagen Diseases / Q000150:complications; D005260:Female; D005334:Fever / Q000175:diagnosis* / Q000209:etiology; D005335:Fever of Unknown Origin / Q000175:diagnosis; D005500:Follow-Up Studies; D006801:Humans; D007239:Infections / Q000150:complications; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000150:complications