BibTex format
@article{Jennings:2020:10.1136/bmj.m3884,
author = {Jennings, N and Rao, M},
doi = {10.1136/bmj.m3884},
journal = {BMJ-BRITISH MEDICAL JOURNAL},
title = {Towards a carbon neutral NHS},
url = {http://dx.doi.org/10.1136/bmj.m3884},
volume = {371},
year = {2020}
}