@article{ref1,
title="Caffeine and aggression",
journal="Hospital and community psychiatry",
year="1991",
author="Carmel, H.",
volume="42",
number="6",
pages="637-639",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1597",
doi="",
url="http://dx.doi.org/"
}