@article{ref1,
title="Bronchial and tracheal injuries following blunt trauma",
journal="Schweizerische Medizinische Wochenschrift",
year="1973",
author="Zacherl, H. and Jenny, R. H. and Unger, F.",
volume="103",
number="22",
pages="807-813",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0036-7672",
doi="",
url="http://dx.doi.org/"
}