@article{ref1,
title="Occupational safety and health in Puerto Rico: progress toward the national health objectives for 1990 (VI)",
journal="Boletin Asociacion Medica de Puerto Rico",
year="1986",
author="Rigau Pérez, J. G.",
volume="78",
number="4",
pages="154-159",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0004-4849",
doi="",
url="http://dx.doi.org/"
}