@article{ref1,
title="Juvenile prisoners at the Montelupi prison",
journal="Przeglad Lekarski",
year="1974",
author="Witkowski, J.",
volume="31",
number="1",
pages="139-149",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2240",
doi="",
url="http://dx.doi.org/"
}