@article{ref1,
title="Foreign bodies of the duodenum",
journal="Acta chirurgica Patavina",
year="1950",
author="Settimi, A. and Thalheimer, G.",
volume="6",
number="5",
pages="334-340",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0390-6892",
doi="",
url="http://dx.doi.org/"
}