@article{ref1,
title="Letter: "Legal" species of cannabis",
journal="Journal of forensic sciences",
year="1975",
author="Small, E.",
volume="20",
number="4",
pages="739-741",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}