@article{ref1,
title="Atelectasis of lung following automobile accident",
journal="Minnesota medicine",
year="1969",
author="Wigdahl, L. O.",
volume="52",
number="7",
pages="1105-1106",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-556X",
doi="",
url="http://dx.doi.org/"
}