@article{ref1,
title="Causes and mechanism of cervical spine injuries",
journal="Chirurgia Narzadow Ruchu i Ortopedia Polska",
year="1974",
author="Kiwerski, J. E. and Chrostowska, T. and Makowski, J.",
volume="39",
number="1",
pages="1-6",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0009-479X",
doi="",
url="http://dx.doi.org/"
}