@article{ref1,
title="Foreign bodies in the digestive tract of prisoners. I",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1969",
author="Drijvers, J. A.",
volume="113",
number="41",
pages="1824-1827",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}