RT Journal Article SR Electronic T1 Diagnosis and assessment of DPLD JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 628 OP 628 DO 10.1136/thorax.55.7.628c VO 55 IS 7 A1 J E COTES YR 2000 UL http://thorax.bmj.com/content/55/7/628.4.abstract AB