@article{ref1,
title="Specific features of spinal injuries in elderly patients",
journal="Chirurgia Narzadow Ruchu i Ortopedia Polska",
year="1981",
author="Kiwerski, J. E.",
volume="46",
number="5",
pages="459-463",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0009-479X",
doi="",
url="http://dx.doi.org/"
}