@article{ref1,
title="Trauma in the mining industry",
journal="Khirurgiia",
year="1959",
author="Danov, L. and Iordanov, E. and Nikoliev, V.",
volume="12",
number="",
pages="735-745",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}