BibTex format
@article{Feng:2015:10.1177/1355819614546032,
author = {Feng, Y and Pistollato, M and Charlesworth, A and Devlin, N and Propper, C and Sussex, J},
doi = {10.1177/1355819614546032},
journal = {Journal of Health Services Research and Policy},
pages = {11--17},
title = {Association between market concentration of hospitals and patient health gain following hip replacement surgery},
url = {http://dx.doi.org/10.1177/1355819614546032},
volume = {20},
year = {2015}
}