@article{ref1,
title="Classification of thermal shock",
journal="Khirurgiia",
year="1987",
author="Krŭstev, A.",
volume="40",
number="5",
pages="1-5",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}