RT Journal Article SR Electronic T1 Elucidating minimal important difference in childhood interstitial lung diseases JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 429 OP 429 DO 10.1136/thorax-2022-219907 VO 78 IS 5 A1 Silvija-Pera Jerkic A1 Johannes Schulze YR 2023 UL http://thorax.bmj.com/content/78/5/429.abstract AB