@article{doi:10.1001/archinternmed.2009.29,
author = {Chang E},
title = {THe impact of daytime naps on the relation between sleep duration and cardiovascular events},
journal = {Archives of Internal Medicine},
volume = {169},
number = {7},
pages = {717},
year = {2009},
doi = {10.1001/archinternmed.2009.29},
URL = { + http://dx.doi.org/10.1001/archinternmed.2009.29},
eprint = {/data/Journals/INTEMED/22596/ilt0413_717_717.pdf}
}