@article{ref1,
title="Comparison of the results of treatment of cervical spine injuries in successive 6-year periods",
journal="Chirurgia Narzadow Ruchu i Ortopedia Polska",
year="1980",
author="Kiwerski, J. E. and Chrostowska, T.",
volume="45",
number="2",
pages="109-114",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0009-479X",
doi="",
url="http://dx.doi.org/"
}