BibTex format
@article{Buttery:2020:10.1136/bmjopen-2020-040942,
author = {Buttery, S and Lewis, A and Kemp, S and Quint, J and Steiner, M and Hopkinson, N},
doi = {10.1136/bmjopen-2020-040942},
journal = {BMJ Open},
title = {Lung volume reduction eligibility in patients with COPD completing pulmonary rehabilitation: results from the UK National Asthma and COPD Audit Programme},
url = {http://dx.doi.org/10.1136/bmjopen-2020-040942},
volume = {10},
year = {2020}
}