@article{ref1,
title="Colonscopic removal of balloons from the bowel",
journal="Gastrointestinal endoscopy",
year="1977",
author="Wolf, L. and Geraci, K.",
volume="24",
number="1",
pages="41-41",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-5107",
doi="",
url="http://dx.doi.org/"
}