BibTex format
@article{Hopkinson:2022:10.1136/bmj.n2912,
author = {Hopkinson, NS and Vestbo, J and Bush, A and Grigg, J},
doi = {10.1136/bmj.n2912},
journal = {BMJ},
pages = {1--3},
title = {Should e-cigarettes be licensed as medicines?},
url = {http://dx.doi.org/10.1136/bmj.n2912},
volume = {376},
year = {2022}
}