@article{ref1,
title="Pathologic sleepiness induced by caffeine",
journal="American journal of medicine",
year="1989",
author="Regestein, Q. R.",
volume="87",
number="5",
pages="586-588",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9343",
doi="",
url="http://dx.doi.org/"
}