@article{ref1,
title="Excessive daytime sleepiness among practicing physicians",
journal="Journal of clinical sleep medicine",
year="2007",
author="Attarian, Hrayr and Schuman, Catherine",
volume="3",
number="1",
pages="87-87",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1550-9389",
doi="",
url="http://dx.doi.org/"
}