@article{ref1,
title="Characteristics of fatal methadone overdose in Manchester, 1985-94",
journal="British medical journal: BMJ",
year="1996",
author="Cairns, A. and Roberts, I. S. and Benbow, E. W.",
volume="313",
number="7052",
pages="264-265",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}