@article{ref1,
title="Traumatic torsion of the lung",
journal="Radiology",
year="1956",
author="Parks, R. E.",
volume="67",
number="4",
pages="582-583",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-8419",
doi="",
url="http://dx.doi.org/"
}