@article{Evans2001,
author = {Evans, D.B. and Tandon, A. and Murray, C.J. L. and Lauer, J.A.},
title= {Comparative efficiency of national health systems: cross national econometric analysis},
year = {2001},
doi = {10.1136/bmj.323.7308.307},
journal = {British Medical Journal},
volume = {323},
pages = {307--310},
}