RT Journal Article SR Electronic T1 British Thoracic Society guideline for the use of long-term macrolides in adults with respiratory disease JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 370 OP 404 DO 10.1136/thoraxjnl-2019-213929 VO 75 IS 5 A1 David Smith A1 Ingrid Du Rand A1 Charlotte Louise Addy A1 Timothy Collyns A1 Simon Paul Hart A1 Philip J Mitchelmore A1 Najib M Rahman A1 Ravijyot Saggu YR 2020 UL http://thorax.bmj.com/content/75/5/370.abstract AB