@article{ref1,
title="Data on the severity and cost of professional risks in Mexico",
journal="Gaceta Medica de Mexico",
year="1970",
author="Arreguín-Vélez, E.",
volume="100",
number="11",
pages="1081-1090",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0016-3813",
doi="",
url="http://dx.doi.org/"
}