@article{ref1,
title="Abdominal injuries in childhood and adolescence",
journal="Zentralblatt fur Chirurgie",
year="1969",
author="Welz, K.",
volume="94",
number="52",
pages="1771-1781",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0044-409X",
doi="",
url="http://dx.doi.org/"
}