@article{ref1,
title="Foreign bodies in the gastrointestinal tract. Report from prisoners in the Copenhagen prisons during the period 1965-1969 and 1975-1979",
journal="Ugeskrift for Laeger",
year="1982",
author="Mikkelsen, J. H. and Lund, P. S. and Morsing, I. M. and Berntsen, P.",
volume="144",
number="14",
pages="1019-1021",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}