@article{ref1,
title="Incidence of spinal injuries in different seasons of the year",
journal="Chirurgia Narzadow Ruchu i Ortopedia Polska",
year="1983",
author="Kiwerski, J. E. and Krasuski, M.",
volume="48",
number="5-6",
pages="417-421",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0009-479X",
doi="",
url="http://dx.doi.org/"
}