@article{ref1,
title="Characteristics of acute respiratory poisoning by toxic gases",
journal="Vŭtreshni Bolesti",
year="1989",
author="Tashev, T. S. and Bakŭrdzhiev, T.",
volume="28",
number="4",
pages="136-139",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0506-2772",
doi="",
url="http://dx.doi.org/"
}