title: FEVER of unknown origin.
mesh_terms: D000038:Abscess; D004696:Endocarditis; D004698:Endocarditis, Subacute Bacterial / Q000175:diagnosis*; D005334:Fever; D005335:Fever of Unknown Origin; D006801:Humans; D008107:Liver Diseases; D008168:Lung; D008169:Lung Abscess