@article{ref1,
title="Characteristics of clinical course and treatment of diseases caused by refuse of coal and firedamp in mines",
journal="Vrachebnoe Delo",
year="1975",
author="Deĭnega, V. G.",
volume="",
number="11",
pages="121-124",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0049-6804",
doi="",
url="http://dx.doi.org/"
}