BibTex format
@article{Williams:2016:10.1038/bjc.2016.317,
author = {Williams, M and Treasure, P and Greenberg, D and Brodbelt, A and Collins, P},
doi = {10.1038/bjc.2016.317},
journal = {British Journal of Cancer},
pages = {1379--1382},
title = {Surgeon volume and 30 day mortality for brain tumours in England},
url = {http://dx.doi.org/10.1038/bjc.2016.317},
volume = {115},
year = {2016}
}