@article{ref1,
title="On the problem of the diagnosis of concussion of the brain",
journal="Rozhledy v Chirurgii- Mesicnik Ceskoslovenske Chirurgicke Spolecnosti",
year="1960",
author="Mach, F. and Konopasek, J. and Hak, A. and Pflug, J. and Hoschlova, D. and Vokner, J.",
volume="39",
number="",
pages="549-555",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0035-9351",
doi="",
url="http://dx.doi.org/"
}