@article{ref1,
title="Unsuspected foreign bodies of the aerodigestive tract",
journal="Transactions - Pennsylvania Academy of Ophthalmology and Otolaryngology",
year="1978",
author="Potsic, W. P. and Banks, W.",
volume="31",
number="1",
pages="84-89",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0048-3206",
doi="",
url="http://dx.doi.org/"
}