@article{ref1,
title="Widened mediastinum in a child with severe trauma",
journal="CMAJ : Canadian Medical Association journal",
year="2007",
author="Buffo-Sequeira, Ilan and Fraser, Douglas D.",
volume="177",
number="10",
pages="1181-1182",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0820-3946",
doi="10.1503/cmaj.070936",
url="http://dx.doi.org/10.1503/cmaj.070936"
}