@article{ref1,
title="Injuries of the urinary-bladder and the urethra caused by blunt abdominal trauma (author's transl)",
journal="Zentralblatt fur Chirurgie",
year="1979",
author="Burgkhardt, M. and Jacob, J. and Dorschner, W. and Dieterich, F.",
volume="104",
number="12",
pages="753-759",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-409X",
doi="",
url="http://dx.doi.org/"
}