@article{ref1,
title="Commentary: Smoking and traffic accidents: possible relationships",
journal="Atencion Primaria",
year="2003",
author="Martín Cantera, C.",
volume="31",
number="6",
pages="354-355",
abstract="<p>[Abstract unavailable]</p> <p>Language: es</p>",
language="es",
issn="0212-6567",
doi="",
url="http://dx.doi.org/"
}