@article{ref1,
title="Emergency medical care and traffic fatalities in Puerto Rico",
journal="Boletin Asociacion Medica de Puerto Rico",
year="1973",
author="Fromm, S. H. and Escalera, G. A.",
volume="65",
number="5",
pages="108-110",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-4849",
doi="",
url="http://dx.doi.org/"
}