@article{ref1,
title="Cases of combined traumatic injuries",
journal="Khirurgiia",
year="1962",
author="Balev, I.",
volume="15",
number="",
pages="874-875",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}