@article{ref1,
title="Risk Factors for Serious Prescription Opioid-Related Toxicity or Overdose among Veterans Health Administration Patients: Risk Factors Prescription Opioid Toxicity Overdose",
journal="Pain medicine",
year="2014",
author="Zedler, Barbara and Xie, Lin and Wang, Li and Joyce, Andrew and Vick, Catherine and Kariburyo, Furaha and Rajan, Pradeep and Baser, Onur and Murrelle, Lenn",
volume="15",
number="11",
pages="1911-1929",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1526-2375",
doi="10.1111/pme.12480",
url="http://dx.doi.org/10.1111/pme.12480"
}