@article{ref1,
title="Foreign bodies in the respiratory tract",
journal="Prensa Médica Mexicana, La",
year="1969",
author="Argüero, R.",
volume="34",
number="1",
pages="6-9",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0032-7468",
doi="",
url="http://dx.doi.org/"
}