@article{ref1,
title="Traffic accidents, public health problem",
journal="Salud publica de Mexico",
year="1973",
author="Huttich, R. C.",
volume="15",
number="1",
pages="29-41",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0036-3634",
doi="",
url="http://dx.doi.org/"
}