@article{ref1,
title="Marihuana",
journal="Scientific American",
year="1969",
author="Grinspoon, L.",
volume="221",
number="6",
pages="17-25",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8733",
doi="",
url="http://dx.doi.org/"
}