@article{ref1,
title="Methods for the protection of the worker against accidents and diseases",
journal="El Día Médico",
year="1951",
author="Hunter, David",
volume="23",
number="40",
pages="1645-1654",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0012-1762",
doi="",
url="http://dx.doi.org/"
}