@article{ref1,
title="Shifting work, sleep cycles are on the way to becoming another public health issue",
journal="JAMA journal of the American Medical Association",
year="1988",
author="Raymond, C. A.",
volume="259",
number="20",
pages="2958-2959",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}