@article{ref1,
title="Proteinuria as an indicator of occupational stress in helicopter pilots",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1990",
author="Bochenkov, A. A. and Chviakin, V. A.",
volume="",
number="7",
pages="48-48",
abstract="<p>[Abstract unavailable]</p> <p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}