title: Acid alpha-naphthyl acetate esterase staining of effusions for ruling out tuberculosis.
mesh_terms: D006651:Histocytochemistry; D006801:Humans; D009283:Naphthol AS D Esterase / Q000378:metabolism; D010996:Pleural Effusion / Q000201:enzymology*; D013601:T-Lymphocytes / Q000201:enzymology; D014376:Tuberculosis / Q000175:diagnosis*
chemical_list: D009283:Naphthol AS D Esterase