@article{ref1,
title="Controversies and carfentanil: we have much to learn about the present state of opioid poisoning",
journal="American journal of emergency medicine",
year="2017",
author="Cole, Jon B. and Nelson, Lewis S.",
volume="35",
number="11",
pages="1743-1745",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0735-6757",
doi="10.1016/j.ajem.2017.08.045",
url="http://dx.doi.org/10.1016/j.ajem.2017.08.045"
}