@article{ref1,
title="Rectal perforation by a foreign body",
journal="Wiadomosci Lekarskie",
year="1971",
author="Lukaszewski, H. and Jankau, O.",
volume="24",
number="7",
pages="675-676",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0043-5147",
doi="",
url="http://dx.doi.org/"
}