@article{ref1,
title="Urban Trauma - An Analysis of 1,116 Pediatric Cases",
journal="Journal of trauma",
year="1989",
author="Chan, BSH and Walker, P. J. and Cass, D. T.",
volume="29",
number="11",
pages="1540-1547",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}