BibTex format
@article{CHANG:2016:10.1503/cmaj.151201,
author = {CHANG, C and LEE, T and VAMOS, E and SOLJAK, M and JOHNSTON, D and KHUNTI, K and MAJEED, A and MILLETT, C},
doi = {10.1503/cmaj.151201},
journal = {Canadian Medical Association Journal},
title = {Impact of NHS Health Check on cardiovascular disease risk: difference-in-differences matching analysis},
url = {http://dx.doi.org/10.1503/cmaj.151201},
year = {2016}
}