@article{ref1,
title="Four cases of lightning injury",
journal="Sŭvremenna Medit͡sina",
year="1958",
author="Vulkov, I. N.",
volume="9",
number="5",
pages="109-112",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0562-7192",
doi="",
url="http://dx.doi.org/"
}