@article{ref1,
title="Marihuana",
journal="JAMA journal of the American Medical Association",
year="1970",
author="Perna, D.",
volume="214",
number="4",
pages="760-760",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}