@article{ref1,
title="Various considerations on a foreign body in the hypopharynx",
journal="Accademia medica",
year="1954",
author="Perna, F.",
volume="69",
number="10-12",
pages="109-112",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="",
doi="",
url="http://dx.doi.org/"
}