@article{ref1,
title="25 years of maxillofacial injuries in the Rusen district",
journal="Stomatologiia (Sofiia)",
year="1977",
author="Shipkov, G.",
volume="59",
number="4",
pages="246-248",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0491-0982",
doi="",
url="http://dx.doi.org/"
}