@article{ref1,
title="Pediatric ambulance utilization in a large American city",
journal="Pediatric emergency care",
year="1998",
author="Giordano, L. M. and Matallana, L. and Cagliuso, N. V.",
volume="14",
number="6",
pages="453-454",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0749-5161",
doi="",
url="http://dx.doi.org/"
}