@article{ref1,
title="Drug-induced depression and tryptophan metabolism",
journal="Diseases of the nervous system",
year="1972",
author="Bucci, L.",
volume="33",
number="2",
pages="105-108",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3714",
doi="",
url="http://dx.doi.org/"
}