@article{ref1,
title="Evidence-Based Treatment for Opioid Disorders: A 23-Year National Study of Methadone Dose Levels",
journal="Journal of substance abuse treatment",
year="2014",
author="D'Aunno, Thomas and Pollack, Harold A. and Frimpong, Jemima A. and Wuchiett, David",
volume="47",
number="4",
pages="245-250",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0740-5472",
doi="10.1016/j.jsat.2014.06.001",
url="http://dx.doi.org/10.1016/j.jsat.2014.06.001"
}