@article{ref1,
title="An unusual sharp foreign body in the esophagus and its removal",
journal="Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery",
year="2003",
author="Chadha, Shelly K. and Gopalakrishnan, S. and Gopinath, N.",
volume="128",
number="5",
pages="766-768",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0194-5998",
doi="",
url="http://dx.doi.org/"
}