@article{ref1,
title="Epidemiology of craniocerebral injuries in the Poznań, Zielona Góra and Opole Provinces as well as in the City of Poznań",
journal="Patologia Polska",
year="1974",
author="Kukla, W. and Tokarz, F.",
volume="25",
number="3",
pages="493-496",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0031-3114",
doi="",
url="http://dx.doi.org/"
}