@article{ref1,
title="Time course of psychophysiological changes in students",
journal="Gigiena i Sanitariia",
year="2003",
author="Kiriushin, V. A. and Lobanov, S. P. and Stuneeva, G. I.",
volume="",
number="1",
pages="47-49",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}