@article{doi:10.1001/archinternmed.2011.144,
author = {Darnell J},
title = {A free clinic paradox—reply},
journal = {Archives of Internal Medicine},
volume = {171},
number = {8},
pages = {782-790},
year = {2011},
doi = {10.1001/archinternmed.2011.144},
URL = { + http://dx.doi.org/10.1001/archinternmed.2011.144},
eprint = {/data/Journals/INTEMED/5810/ilt0425_789_789.pdf}
}