@article{ref1,
title="Copper, copper sulfate, and copper arsenite intoxication in workers in Bulgaria",
journal="Izvestiia na Meditsinskite Instituti",
year="1952",
author="Peianechki, K. A.",
volume="1",
number="6-7",
pages="231-252",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="",
doi="",
url="http://dx.doi.org/"
}