@article{ref1,
title="Traffic and street trauma according to data of the Department of Propedeutics and Surgical Diseases",
journal="Khirurgiia",
year="1959",
author="Kalev, N.",
volume="12",
number="",
pages="453-460",
abstract="<p>[Abstract unavailable]</p> <p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}