@article{doi:10.1001/archinternmed.2011.228, title = {HArvard yard, boston, massachusetts}, journal = {Archives of Internal Medicine}, volume = {171}, number = {11}, pages = {1046}, year = {2011}, doi = {10.1001/archinternmed.2011.228}, URL = { + http://dx.doi.org/10.1001/archinternmed.2011.228}, eprint = {/data/Journals/INTEMED/5819/iir05027-1-1_1046_1046.pdf} }