@article{doi:10.1001/archinternmed.2011.143, author = {McConnel C}, title = {A free clinic paradox}, journal = {Archives of Internal Medicine}, volume = {171}, number = {8}, pages = {782-790}, year = {2011}, doi = {10.1001/archinternmed.2011.143}, URL = { + http://dx.doi.org/10.1001/archinternmed.2011.143}, eprint = {/data/Journals/INTEMED/5810/ilt0425_788_789.pdf} }