@article{ref1,
title="Upper airway burn from crack cocaine pipe screen ingestion",
journal="American journal of emergency medicine",
year="1999",
author="Ludwig, W. G. and Hoffner, R. J.",
volume="17",
number="1",
pages="108-109",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0735-6757",
doi="",
url="http://dx.doi.org/"
}