BibTex format
@article{Greaves:2015,
author = {Greaves, G and Laverty, AA and Pape, U and Ratneswaren, A and Majeed, A and Millett, C},
journal = {Journal of the Royal Society of Medicine},
title = {Performance of new alternative providers of primary care services in England: an observational study},
url = {http://jrs.sagepub.com/content/early/2015/03/31/0141076815583303.abstract},
year = {2015}
}