@article{doi:10.1001/archinternmed.2010.396, title = {REsearch letters}, journal = {Archives of Internal Medicine}, volume = {170}, number = {20}, pages = {1856-1861}, year = {2011}, doi = {10.1001/archinternmed.2010.396}, URL = { + http://dx.doi.org/10.1001/archinternmed.2010.396}, eprint = {/data/Journals/InteMed/5786/ilt1108_1857_1858.pdf} }