@article{ref1,
title="Effects of physical load on human biorhythms",
journal="Problemy Kosmicheskoĭ Biologii",
year="1977",
author="Makarov, V. I.",
volume="34",
number="",
pages="130-135",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0555-2788",
doi="",
url="http://dx.doi.org/"
}