BibTex format
@article{Alshamsan:2010:10.1258/jhsrp.2010.009113,
author = {Alshamsan, R and Majeed, A and Ashworth, M and Car, J and Millett, C},
doi = {10.1258/jhsrp.2010.009113},
journal = {JOURNAL OF HEALTH SERVICES RESEARCH & POLICY},
pages = {178--184},
title = {Impact of pay for performance on inequalities in health care: systematic review},
url = {http://dx.doi.org/10.1258/jhsrp.2010.009113},
volume = {15},
year = {2010}
}