@article{ref1,
title="State of pulmonary gas exchange in workers subjected to long-term intoxication with carbon monoxide",
journal="Vrachebnoe Delo",
year="1975",
author="Gokina, M. S. and Kovalenko, V. A. and Nazarova, S. F.",
volume="",
number="8",
pages="140-142",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0049-6804",
doi="",
url="http://dx.doi.org/"
}