@article{ref1,
title="Cranial injuries in children according to observations in hospitals in Wrocław",
journal="Polski Tygodnik Lekarski",
year="1967",
author="Zawartka, J. and Maznas, Z. and Klempous, J.",
volume="22",
number="4",
pages="140-142",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-3756",
doi="",
url="http://dx.doi.org/"
}