@article{ref1,
title="Conceptualizing a serotonin trait. A behavioral dimension of constraint",
journal="Annals of the New York Academy of Sciences",
year="1986",
author="Depue, R. A. and Spoont, Michele R.",
volume="487",
number="",
pages="47-62",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}