BibTex format
@article{Colais:2014:10.1186/s12913-014-0495-3,
author = {Colais, P and Di, Martino M and Fusco, D and Davoli, M and Aylin, P and Perucci, CA},
doi = {10.1186/s12913-014-0495-3},
journal = {BMC HEALTH SERVICES RESEARCH},
title = {Using clinical variables and drug prescription data to control for confounding in outcome comparisons between hospitals},
url = {http://dx.doi.org/10.1186/s12913-014-0495-3},
volume = {14},
year = {2014}
}