@article{ref1,
title="Unusual fire-arm injury of the heart",
journal="Khirurgiia",
year="1971",
author="Ginev, B.",
volume="24",
number="1",
pages="94-97",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}