@article{ref1,
title="Traumatically produced isolated choledochus avulsion involving the papillae in childhood",
journal="Zentralblatt fur Chirurgie",
year="1979",
author="Petzold, M.",
volume="104",
number="4",
pages="238-239",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-409X",
doi="",
url="http://dx.doi.org/"
}