@article{ref1,
title="Acute abdomen due to intestinal perforation by ingested foreign body",
journal="Ceskoslovenská Gastroenterologie a Výz̆iva",
year="1973",
author="Kudĕlka, M. and Koutný, Z.",
volume="27",
number="2",
pages="98-102",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0009-0565",
doi="",
url="http://dx.doi.org/"
}