@article{doi:10.1001/archinternmed.2011.391,
title = {PRay},
journal = {Archives of Internal Medicine},
volume = {171},
number = {16},
pages = {1479},
year = {2011},
doi = {10.1001/archinternmed.2011.391},
URL = { + http://dx.doi.org/10.1001/archinternmed.2011.391},
eprint = {/data/Journals/INTEMED/22526/iir15009-1-1_1479_1479.pdf}
}