BibTex format
@article{Smith:2017:10.1136/bmj.j5299,
author = {Smith, RB and Fecht, D and Gulliver, J and Beevers, S and Dajnak, D and Blangiardo, M and Ghosh, R and Hansell, A and Kelly, F and Anderson, HR and Toledano, MB},
doi = {10.1136/bmj.j5299},
journal = {BMJ},
title = {Impact of London's road traffic air and noise pollution on birth weight: retrospective population based cohort study},
url = {http://dx.doi.org/10.1136/bmj.j5299},
volume = {359},
year = {2017}
}