BibTex format
@article{Clarke:2020:10.1136/bmjopen-2019-036504,
author = {Clarke, J and Beaney, T and Majeed, A and Darzi, A and Barahona, M},
doi = {10.1136/bmjopen-2019-036504},
journal = {BMJ Open},
pages = {1--7},
title = {Identifying naturally occurring communities of primary care providers in the English National Health Service in London},
url = {http://dx.doi.org/10.1136/bmjopen-2019-036504},
volume = {10},
year = {2020}
}