@article{ref1,
title="On the danger of diseases caused by DDT preparations",
journal="Gigiena i Sanitariia",
year="1968",
author="Pol'chenko, V. I.",
volume="33",
number="3",
pages="80-83",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}