@article{ref1,
title="Intentional ingestion of foreign objects by male prison inmates",
journal="Hospital and community psychiatry",
year="1991",
author="Karp, J. G. and Whitman, L. and Convit, A.",
volume="42",
number="5",
pages="533-535",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-1597",
doi="",
url="http://dx.doi.org/"
}