@article{ref1,
title="An appraisal of ethological contributions to psychiatric theory and research",
journal="American journal of psychiatry",
year="1967",
author="Zegans, L. S.",
volume="124",
number="6",
pages="729-739",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}