@article{ref1,
title="Classification of food poisonings",
journal="Gigiena i Sanitariia",
year="1973",
author="Petrovskiĭ, K. S.",
volume="38",
number="3",
pages="91-95",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}