BibTex format
@article{Axson:2020:10.1136/bmjopen-2019-036455,
author = {Axson, E and Lewis, A and Potts, J and Pang, M and Dickenson, S and Vioix, H and Quint, J},
doi = {10.1136/bmjopen-2019-036455},
journal = {BMJ Open},
title = {Inhaled therapies for chronic obstructive pulmonary disease: a systematic review and meta-analysis},
url = {http://dx.doi.org/10.1136/bmjopen-2019-036455},
volume = {10},
year = {2020}
}