RT Journal Article SR Electronic T1 Diagnosing idiopathic pulmonary fibrosis without a lung biopsy: honeycombing not required JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 391 OP 392 DO 10.1136/thoraxjnl-2016-209831 VO 72 IS 5 A1 Homer, Robert A1 Lederer, David J YR 2017 UL http://thorax.bmj.com/content/72/5/391.abstract AB