@article{ref1,
title="The traumatic broncho-biliary fistula",
journal="Zentralblatt fur Chirurgie",
year="1978",
author="Straaten, H. G. and Engel, C.",
volume="103",
number="12",
pages="815-817",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-409X",
doi="",
url="http://dx.doi.org/"
}