@article{ref1,
title="Hearing tests following cerebral concussion",
journal="Otolaryngologia polska",
year="1973",
author="Bystrzanowska, T. and Fitowski, Z. and Golebiowski, A. and Tyrakowska, E.",
volume="27",
number="2",
pages="179-184",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0030-6657",
doi="",
url="http://dx.doi.org/"
}