%0 Journal Article %T Facilitators and barriers to physical activity following pulmonary rehabilitation in COPD: a systematic review of qualitative studies %A Arwel W. Jones %A Christopher Bridle %A Ffion Curtis %A Hayley Robinson %A Veronika Williams %J Archive of "NPJ Primary Care Respiratory Medicine". %D 2018 %R 10.1038/s41533-018-0085-7 %X PRISMA flow chart representing the study screening proces %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5986863/