BibTex format
@article{Burney:2019:10.1016/S0140-6736(19)32537-1,
author = {Burney, P and Amaral, AFS},
doi = {10.1016/S0140-6736(19)32537-1},
journal = {LANCET},
pages = {2198--2200},
title = {Air pollution and chronic airway disease: is the evidence always clear?},
url = {http://dx.doi.org/10.1016/S0140-6736(19)32537-1},
volume = {394},
year = {2019}
}