@article{ref1,
title="Esophageal foreign body as a cause of respiratory symptoms",
journal="Acta paediatrica Belgica",
year="1980",
author="Puig-Abuli, M. and Rodriguez de la Nuez, A. and Arcas-Meca, R. and Villa Elizaga, I.",
volume="33",
number="3",
pages="183-184",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6535",
doi="",
url="http://dx.doi.org/"
}