BibTex format
@article{Salman:2021:10.1136/bmj.m4721,
author = {Salman, D and Vishnubala, D and Le, Feuvre P and Beaney, T and Korgaonkar, J and Majeed, A and McGregor, AH},
doi = {10.1136/bmj.m4721},
journal = {BMJ: British Medical Journal},
pages = {372--m4721},
title = {Returning to physical activity after covid-19},
url = {http://dx.doi.org/10.1136/bmj.m4721},
volume = {372},
year = {2021}
}