@article{ref1,
title="584 Foreign bodies removed from the esophagus; a statistical study",
journal="Virginia medical monthly",
year="1958",
author="Ray, E. S. and Vinson, P. P.",
volume="85",
number="2",
pages="61-64",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0042-6644",
doi="",
url="http://dx.doi.org/"
}