@article{ref1,
title="Major thoracic trauma in children",
journal="Pediatric clinics of North America",
year="1975",
author="Haller, J. A. and Shermeta, D. W.",
volume="22",
number="2",
pages="341-347",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-3955",
doi="",
url="http://dx.doi.org/"
}