@article{ref1,
title="Foreign bodies, ingested and inhaled",
journal="Journal of the American Academy of Physician Assistants",
year="1999",
author="Muñiz, A. E. and Joffe, M. D.",
volume="12",
number="6",
pages="22-4, 27",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1547-1896",
doi="",
url="http://dx.doi.org/"
}