title: [Fever of unknown origin. A retrospective study of 45 cases].
mesh_terms: D000367:Age Factors; D005260:Female; D005335:Fever of Unknown Origin / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology; D006760:Hospitalization; D006801:Humans; D008297:Male; D012008:Recurrence; D012189:Retrospective Studies; D012737:Sex Factors; D013030:Spain
vernacular_title: Fiebre de origen desconocido. Estudio retrospectivo de 45 casos.