@article{ref1,
title="Health characteristics of chemical poisons used in agriculture",
journal="Feldsher i Akusherka",
year="1975",
author="Velichko, A. A. and Pivovarov, Iu P.",
volume="40",
number="5",
pages="29-32 contd",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0014-9772",
doi="",
url="http://dx.doi.org/"
}