@article{ref1,
title="A Report of Two Cases of Fatal Heroin Poisoning",
journal="Journal of laboratory and clinical medicine",
year="1917",
author="McNally, W. D.",
volume="2",
number="",
pages="570-572",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0022-2143",
doi="",
url="http://dx.doi.org/"
}