@article{ref1,
title="Methadone--a cause of death",
journal="Journal of forensic sciences",
year="1974",
author="Segal, R. J. and Catherman, R. L.",
volume="19",
number="1",
pages="64-71",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}