BibTex format
@article{van:2020:10.1371/journal.pone.0237513,
author = {van, Schalkwyk M and McKee, M and Been, J and Millett, C and Filippidis, F},
doi = {10.1371/journal.pone.0237513},
journal = {PLoS One},
title = {Size matters: an analysis of cigarette pack sizes across 23 European Union countries using Euromonitor data, 2006 to 2017},
url = {http://dx.doi.org/10.1371/journal.pone.0237513},
volume = {15},
year = {2020}
}