RT Journal Article SR Electronic T1 Tuberculosis immunodiagnosis: delving below the surface JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 204 OP 206 DO 10.1136/thoraxjnl-2012-202481 VO 68 IS 3 A1 Ajit Lalvani A1 David W Connell YR 2013 UL http://thorax.bmj.com/content/68/3/204.abstract AB