@article{ref1,
title="Clinico-epidemiologic aspects of chronic bronchitis among workers in the automobile transportation business",
journal="Problemy Tuberkuleza",
year="1987",
author="Ismailov, Sh U. and Frolova, L. V. and Liverko, I. V.",
volume="ePub",
number="6",
pages="9-11",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0032-9533",
doi="",
url="http://dx.doi.org/"
}