title: The changing spectrum of fever of unknown origin in Mexico.
authors.forename: S
authors.initials: S
authors.lastname: Ponce-de-León-Rosales
authors.forename: J
authors.initials: J
authors.lastname: Molina-Gamboa
authors.forename: I
authors.initials: I
authors.lastname: Rivera-Morales
mesh_terms: D005335:Fever of Unknown Origin / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D007239:Infections / Q000150:complications; D008800:Mexico / Q000453:epidemiology; D009369:Neoplasms / Q000150:complications; D012189:Retrospective Studies