@article{ref1,
title="The opioid crisis and schools-a commentary",
journal="Journal of school health",
year="2018",
author="Welsh, Justine W. and Tretyak, Valeria and Rappaport, Nancy",
volume="88",
number="5",
pages="337-340",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-4391",
doi="10.1111/josh.12617",
url="http://dx.doi.org/10.1111/josh.12617"
}