@article{ref1,
title="A 2-year-old child with acute respiratory difficulty. Pneumomediastinum and subcutaneous emphysema due to foreign body aspiration",
journal="Anales Espanoles de Pediatria",
year="1998",
author="Valdovinos Mahave, M. C. and Melendo Gimeno, J. and Ruiz Valero, F. and Juan Belloc, S.",
volume="49",
number="6",
pages="641-642",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0302-4342",
doi="",
url="http://dx.doi.org/"
}