@article{ref1,
title="Protrusion of the intervertebral disk as industrial accident",
journal="Medicina Del Deporte y Del Trabajo",
year="1951",
author="Insausti, T. and Caste, H. G.",
volume="16",
number="101",
pages="4226-34; contd",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="",
doi="",
url="http://dx.doi.org/"
}