@article{ref1,
title="Letter: An unusual esophageal foreign body: dead or alive?",
journal="Archives of surgery (1960)",
year="1975",
author="Houston, H. E.",
volume="110",
number="12",
pages="1516-1516",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-0010",
doi="",
url="http://dx.doi.org/"
}