@article{ref1,
title="Blunt heart and lung injuries (introductory lecture)",
journal="Langenbecks archiv fur chirurgie",
year="1971",
author="Borst, H. G.",
volume="329",
number="",
pages="161-163",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0023-8236",
doi="",
url="http://dx.doi.org/"
}