RT Journal Article SR Electronic T1 Access, access, access: the Three A's of pulmonary rehabilitation – perspectives of patients, loved ones and healthcare professionals JF ERJ Open Research JO erjor FD European Respiratory Society SP 00705-2021 DO 10.1183/23120541.00705-2021 VO 8 IS 2 A1 Alda Marques A1 Sara Souto-Miranda A1 Cláudia Dias A1 Elsa Melo A1 Cristina Jácome YR 2022 UL http://openres.ersjournals.com/content/8/2/00705-2021.abstract AB