@article{ref1,
title="The two clinical types of chronic depression",
journal="Psychiatria et Neurologia Japonica",
year="1981",
author="Kojima, T. and Ohmori, K. and Mochizuki, S.",
volume="83",
number="4",
pages="222-235",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0033-2658",
doi="",
url="http://dx.doi.org/"
}