@article{ref1,
title="Study of combined trauma based on data from the Surgical Department of Yambol District Hospital for 1966-1972",
journal="Khirurgiia",
year="1975",
author="Nedkov, N.",
volume="28",
number="1",
pages="60-65",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}