title: An adult male patient with unexplained fever.
mesh_terms: D000328:Adult; D005335:Fever of Unknown Origin / Q000139:chemically induced / Q000209:etiology*; D006801:Humans; D008297:Male; D011802:Quinidine / Q000009:adverse effects*; D014218:Triage / Q000379:methods
chemical_list: D011802:Quinidine