@article{ref1,
title="Causes of death in drug addicts during 1981-1990 identified from autopsy material of the Department of Legal Medicine, Munich",
journal="Nervenheilkunde",
year="1992",
author="Betz, P. and Penning, R. and Schoppek, B.",
volume="11",
number="4",
pages="187-191",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0722-1541",
doi="",
url="http://dx.doi.org/"
}