@article{ref1,
title="Isolated Traumatic Duodenal Perforation after a Bicycle Accident",
journal="Zentralblatt fur Chirurgie",
year="2013",
author="Grasshoff-Derr, S. and Backhaus, K. and Meyer, T.",
volume="138",
number="Suppl 2",
pages="e110-e112",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0044-409X",
doi="10.1055/s-0031-1283778",
url="http://dx.doi.org/10.1055/s-0031-1283778"
}