BibTex format
@article{Axson:2021:10.1136/thoraxjnl-2020-216390,
author = {Axson, E and Bottle, R and Cowie, M and Quint, J},
doi = {10.1136/thoraxjnl-2020-216390},
journal = {Thorax},
pages = {807--814},
title = {The relationship between heart failure and the risk of acute exacerbation of COPD},
url = {http://dx.doi.org/10.1136/thoraxjnl-2020-216390},
volume = {76},
year = {2021}
}