RT Journal Article SR Electronic T1 “Non-tuberculous mycobacteria” JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 634 OP 634 DO 10.1136/thx.50.6.634 VO 50 IS 6 A1 J G Scadding YR 1995 UL http://thorax.bmj.com/content/50/6/634.abstract AB