@article{ref1,
title="Endoscopic removal of a large gastric metallic watch with a polypectomy snare loop",
journal="Endoscopy",
year="1997",
author="Chen, S. C. and Yu, S. C. and Yuan, R. H. and Chang, K. J.",
volume="29",
number="9",
pages="S55-56",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0013-726X",
doi="10.1055/s-2007-1004333",
url="http://dx.doi.org/10.1055/s-2007-1004333"
}