@article{ref1,
title="The relationship between the affect of perplexity, manifestations of preoccuption and the type of disease",
journal="Zhurnal nevropatologii i psikhiatrii imeni S.S. Korsakova",
year="1974",
author="Belen'kaia, N. Ia",
volume="74",
number="6",
pages="876-880",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0044-4588",
doi="",
url="http://dx.doi.org/"
}