RT Journal Article SR Electronic T1 COVID-19 in pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension: a reference centre survey JF ERJ Open Research JO erjor FD European Respiratory Society SP 00520-2020 DO 10.1183/23120541.00520-2020 VO 6 IS 4 A1 Belge, Catharina A1 Quarck, Rozenn A1 Godinas, Laurent A1 Montani, David A1 Escribano Subias, Pilar A1 VachiƩry, Jean-Luc A1 Nashat, Heba A1 Pepke-Zaba, Joanna A1 Humbert, Marc A1 Delcroix, Marion YR 2020 UL http://openres.ersjournals.com/content/6/4/00520-2020.abstract AB