@article{ref1,
title="Fatal methadone overdose",
journal="British medical journal: BMJ",
year="1996",
author="Hendra, T. J. and Gerrish, S. P. and Forrest, A. R.",
volume="313",
number="7055",
pages="481-482",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}