@article{ref1,
title="Interpreting Poison Center Call Volume Associated with Tramadol (March)",
journal="Annals of pharmacotherapy",
year="2011",
author="Dart, Richard C. and Dasgupta, Nabarun and Bailey, J. Elise and Spiller, Henry A.",
volume="45",
number="3",
pages="424-424",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1060-0280",
doi="10.1345/aph.1P064b",
url="http://dx.doi.org/10.1345/aph.1P064b"
}