BibTex format
@article{Laydon:2021:10.1136/bmjopen-2021-050346,
author = {Laydon, D and Mishra, S and Hinsley, W and Samartsidis, P and Flaxman, S and Gandy, A and Ferguson, N and Bhatt, S},
doi = {10.1136/bmjopen-2021-050346},
journal = {BMJ Open},
title = {Modelling the impact of the Tier system on SARS-CoV-2 transmission in the UK between the first and second national lockdowns},
url = {http://dx.doi.org/10.1136/bmjopen-2021-050346},
volume = {11},
year = {2021}
}