RT Journal Article SR Electronic T1 Persistent isolated impairment of gas transfer following COVID-19 pneumonitis relates to perfusion defects on dual-energy computed tomography JF ERJ Open Research JO erjor FD European Respiratory Society SP 00224-2022 DO 10.1183/23120541.00224-2022 VO 8 IS 4 A1 Laura C. Price A1 Benjamin Garfield A1 Chloe Bloom A1 Nidhish Jeyin A1 Daniel Nissan A1 James H. Hull A1 Brijesh Patel A1 Gisli Jenkins A1 Simon Padley A1 William Man A1 Suveer Singh A1 Carole A. Ridge YR 2022 UL http://openres.ersjournals.com/content/8/4/00224-2022.abstract AB