title: Can the interferon-gamma release assay help diagnose active tuberculosis in the elderly?
authors.affiliation: Tuberculosis and Chest Service, Department of Health, Hong Kong, China. Electronic address: cc_leung@dh.gov.hk.
authors.forename: Chi Chiu
authors.initials: CC
authors.lastname: Leung
authors.affiliation: Tuberculosis and Chest Unit, Grantham Hospital, Hong Kong, China.
authors.forename: Wing Wai
authors.initials: WW
authors.lastname: Yew
mesh_terms: D000367:Age Factors; D000369:Aged, 80 and over; D000907:Antibodies, Bacterial / Q000378:metabolism*; D006801:Humans; D007118:Immunoassay; D007371:Interferon-gamma / Q000378:metabolism*; D009169:Mycobacterium tuberculosis / Q000276:immunology*; D012680:Sensitivity and Specificity; D014376:Tuberculosis / Q000175:diagnosis*
chemical_list: D000907:Antibodies, Bacterial; D007371:Interferon-gamma