@article{ref1,
title="Internal diseases caused by closed injuries of the brain",
journal="Klinicheskaia meditsina",
year="1975",
author="Keĭzer, S. A.",
volume="53",
number="5",
pages="87-91",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0023-2149",
doi="",
url="http://dx.doi.org/"
}