@article{ref1,
title="Studies involving commercial products: caveat investigator",
journal="Annals of emergency medicine",
year="1992",
author="Burney, R. E.",
volume="21",
number="11",
pages="1368-1369",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}