@article{ref1,
title="Traumatic rupture of the normal aortic valve. A case report and review of subject",
journal="Journal of the Maine Medical Association",
year="1970",
author="Lutes, C. A. and Givertz, B.",
volume="61",
number="9",
pages="183-185",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-0694",
doi="",
url="http://dx.doi.org/"
}