@article{ref1,
title="War injuries of heart and mediastinum",
journal="AMA archives of surgery",
year="1955",
author="Valle, A. R.",
volume="70",
number="3",
pages="398-404",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-6908",
doi="",
url="http://dx.doi.org/"
}