@article{ref1,
title="Effects of psychostimulants on aggression",
journal="Journal of nervous and mental disease",
year="1975",
author="Allen, R. P. and Safer, D. and Covi, L.",
volume="160",
number="2-1",
pages="138-145",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3018",
doi="",
url="http://dx.doi.org/"
}