@article{ref1,
title="Testing the vitality of the head of the femur by means of the femur head puncture (author's transl)",
journal="Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca",
year="1981",
author="Kovác, M.",
volume="48",
number="6",
pages="510-513",
abstract="<p>[Abstract unavailable]</p><p>Language: sk</p>",
language="sk",
issn="0001-5415",
doi="",
url="http://dx.doi.org/"
}