RT Journal Article SR Electronic T1 Rising COVID-19 related acute pulmonary emboli but falling national chronic thromboembolic pulmonary hypertension referrals from a large national dataset JF ERJ Open Research JO erjor FD European Respiratory Society SP 00431-2021 DO 10.1183/23120541.00431-2021 VO 7 IS 4 A1 Newman, Joseph A1 Boubriak, Iryna A1 Jenkins, David A1 Ng, Choo A1 Ruggiero, Alessandro A1 Screaton, Nicholas A1 Cannon, John A1 Toshner, Mark YR 2021 UL http://openres.ersjournals.com/content/7/4/00431-2021.abstract AB