@article{ref1,
title="Interpretation of blood and urine cannabinoid concentrations",
journal="Journal of forensic sciences",
year="1988",
author="McBay, A. J.",
volume="33",
number="4",
pages="875-883",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}