@article{ref1,
title="Deaths of narcotic addicts in New York City in 1971: those reported to be using methadone",
journal="International journal of the addictions",
year="1975",
author="Nadler, J. and Fumia, F. and Cherubin, C. and Gearing, F.",
volume="10",
number="1",
pages="135-147",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-773X",
doi="",
url="http://dx.doi.org/"
}