@article{ref1,
title="The intern and sleep loss",
journal="New England journal of medicine",
year="1971",
author="Friedman, R. C. and Bigger, J. T. and Kornfeld, D. S.",
volume="285",
number="4",
pages="201-203",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="10.1056/NEJM197107222850405",
url="http://dx.doi.org/10.1056/NEJM197107222850405"
}