@article{ref1,
title="Unusual foreign body in the urinary bladder",
journal="Polski przeglad chirurgiczny",
year="1970",
author="Ormańczyk, J.",
volume="42",
number="6",
pages="Suppl 6a:984-Suppl 6a:984",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-373X",
doi="",
url="http://dx.doi.org/"
}