@article{ref1,
title="Accidental ingestion of methadone",
journal="British medical journal: BMJ",
year="1991",
author="Molyneux, E. and Ahern, R. and Baldwin, B.",
volume="303",
number="6807",
pages="922-923",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}