@article{ref1,
title="An experimental approach to the study of dynamic propositions in psychoanalysis. The relationship between the aggressive drive and ego regression--initial studies",
journal="Journal of the American Psychoanalytic Association",
year="1967",
author="Silverman, L. H.",
volume="15",
number="2",
pages="376-403",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-0651",
doi="",
url="http://dx.doi.org/"
}