@article{ref1,
title="Marihuana. Effects on deep and surface electroencephalograms of man",
journal="Archives of general psychiatry",
year="1972",
author="Heath, R. G.",
volume="26",
number="6",
pages="577-584",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}