@article{ref1,
title="Endogenous and neurotic syndromes of depression: a factor analytic study of 104 cases. Clinical features",
journal="British journal of psychiatry",
year="1969",
author="Kay, D. W. and Garside, R. F. and Beamish, P. and Roy, J. R.",
volume="115",
number="521",
pages="377-388",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}