@article{ref1,
title="Foreign bodies in the lower airway tract in childhood",
journal="Anales Otorrinolaringológicos Ibero-Americanos",
year="1978",
author="Smoler, J. and Macotela, O. and Vivar, G. and Gutiérrez, G. and Saldaña, R.",
volume="5",
number="3",
pages="309-318",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0303-8874",
doi="",
url="http://dx.doi.org/"
}