@article{ref1,
title="Mercury ingestion retrieved by colonoscopy",
journal="Gastrointestinal endoscopy",
year="2009",
author="Grimes, Ian C. and Einarsson, Sigurdur and Spier, Bret J. and Reichelderfer, Mark",
volume="70",
number="3",
pages="559-560; discussion 560",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-5107",
doi="10.1016/j.gie.2009.04.030",
url="http://dx.doi.org/10.1016/j.gie.2009.04.030"
}