@article{ref1,
title="The resistance of animals of various ages to drug poisoning",
journal="Gigiena Truda i Professional'nye Zabolevaniia",
year="1967",
author="Savchenkov, M. F.",
volume="11",
number="3",
pages="49-51",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9919",
doi="",
url="http://dx.doi.org/"
}