RT Journal Article SR Electronic T1 Does pulmonary rehabilitation need more PR? JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 49 OP 49 DO 10.1136/dtb.2018.5.0615 VO 56 IS 5 YR 2018 UL http://dtb.bmj.com/content/56/5/49.abstract AB