@article{ref1,
title="Internal injuries associated with fractures",
journal="Minnesota medicine",
year="1970",
author="Johnson, E. W. and Nguyen, V. V.",
volume="53",
number="9",
pages="981-986",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-556X",
doi="",
url="http://dx.doi.org/"
}