@article{ref1,
title="Methadone treatment. Methadone concentrations taken as indicating deaths due to overdose need to be reviewed",
journal="British medical journal: BMJ",
year="1996",
author="Merrill, J. and Garvey, T. and Rosson, C.",
volume="313",
number="7070",
pages="1481-1481",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}