@article{ref1,
title="Thoracic injuries. A survey of 765 patients treated at the University Hospital, Uppsala, during the years 1956-1969",
journal="Scandinavian journal of thoracic and cardiovascular surgery",
year="1974",
author="Hallén, A. and Hansson, H. E. and Nordlund, S.",
volume="8",
number="1",
pages="34-45",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-5580",
doi="",
url="http://dx.doi.org/"
}