@article{ref1,
title="Cannabinoid content of Colombian cannabis",
journal="Journal (Canadian Society of Forensic Science)",
year="1981",
author="Tucker, R. B. and Graham, B. F.",
volume="14",
number="2",
pages="41-45",
abstract="Samples of red, green and gold marihuana, hashish and liquid hashish originating in Colombia and destined for the North American market have been analyzed. The levels of A9-tetrahydrocannabinol found in these samples are compared with the values quoted as being &quot;typical&quot; in the literature.<p />",
language="en",
issn="0008-5030",
doi="10.1080/00085030.1981.10756878",
url="http://dx.doi.org/10.1080/00085030.1981.10756878"
}