@article{ref1,
title="Twenty five years of poison center experience with propoxyphene overdoses the FDA could not find",
journal="Clinical toxicology (Philadelphia, Pa.)",
year="2009",
author="Hayes, Bryan D. and Anderson, Bruce D.",
volume="47",
number="9",
pages="905-906",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1556-3650",
doi="10.3109/15563650903301702",
url="http://dx.doi.org/10.3109/15563650903301702"
}