@article{ref1,
title="Associations among simultaneous and co-occurring use of alcohol and marijuana, risky driving, and perceived risk",
journal="Addictive behaviors",
year="2019",
author="Duckworth, Jennifer C. and Lee, Christine M.",
volume="96",
number="",
pages="39-42",
abstract="<p>Highlights  •    Past month simultaneous alcohol and marijuana (SAM) users engaged in greater risky driving than single substance users •    SAM users perceived risky driving behaviors to be safer than single substance users •    SAM users engaged in greater risky driving than concurrent users including driving after using marijuana •    SAM users thought that driving after smoking marijuana was safer than concurrent users of alcohol and marijuana  Keyword: Cannabis impaired driving </p> <p>Language: en</p>",
language="en",
issn="0306-4603",
doi="10.1016/j.addbeh.2019.03.019",
url="http://dx.doi.org/10.1016/j.addbeh.2019.03.019"
}