RT Journal Article SR Electronic T1 Prior tuberculin skin testing does not boost QuantiFERON-TB results in paediatric contacts JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 524 OP 525 DO 10.1183/09031936.00014508 VO 32 IS 2 A1 L. Richeldi A1 B. M. Bergamini A1 F. Vaienti YR 2008 UL http://erj.ersjournals.com/content/32/2/524.abstract AB