@article{ref1,
title="Agricultural trauma in the Vracha region",
journal="Khirurgiia",
year="1957",
author="Staikov, M.",
volume="10",
number="12",
pages="1069-1074",
abstract="<p>[Abstract unavailable]</p> <p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}