BibTex format
@article{Bourne:2017:10.1136/bmjopen-2016-014580,
author = {Bourne, S and DeVos, R and North, M and Chauhan, A and Green, B and Brown, T and Cornelius, V and Wilkinson, T},
doi = {10.1136/bmjopen-2016-014580},
journal = {BMJ Open},
title = {Online versus face-to-face pulmonary rehabilitation for patients with chronic obstructive pulmonary disease: randomised controlled trial.},
url = {http://dx.doi.org/10.1136/bmjopen-2016-014580},
volume = {7},
year = {2017}
}