@article{ref1,
title="Fatal, prolonged foreign body aspiration",
journal="American journal of emergency medicine",
year="1989",
author="Walls, R. M.",
volume="7",
number="4",
pages="456-456",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0735-6757",
doi="",
url="http://dx.doi.org/"
}