@article{ref1,
title="Esophageal foreign bodies",
journal="Pediatrics in review",
year="1999",
author="McGahren, E. D.",
volume="20",
number="4",
pages="129-133",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0191-9601",
doi="",
url="http://dx.doi.org/"
}