@article{ref1,
title="Amphetamine abuse. Pattern and effects of high doses taken intravenously",
journal="JAMA journal of the American Medical Association",
year="1967",
author="Kramer, J. C. and Fischman, Vitezslav S. and Littlefield, D. C.",
volume="201",
number="5",
pages="305-309",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}