@article{ref1,
title="Toxicological characteristics of complex nitrogen fertilizers (nitrofosk)",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1964",
author="Boiarchuk, I. F.",
volume="29",
number="",
pages="18-24",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}