RT Journal Article SR Electronic T1 Strong PPD responses are associated with poor mycobacterium inhibition in latent tuberculosis JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00063209 A1 J.S.L. Kang A1 A. Cherian A1 S.H. Gan A1 T.H. Lee A1 K.C. Lee A1 C.B.E. Chee A1 T.M. Doherty A1 Y.T. Wang A1 G.T. Seah YR 2009 UL http://erj.ersjournals.com/content/early/2009/12/08/09031936.00063209.abstract AB