@article{ref1,
title="Foreign body in esophagus; a dangerous toy",
journal="Ugeskrift for Laeger",
year="1958",
author="Veng-christensen, E.",
volume="120",
number="10",
pages="321-321",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}