@article{ref1,
title="Self pay not equal to no pay",
journal="Annals of emergency medicine",
year="1986",
author="Sivertson, K. T. and Carey, D. D.",
volume="15",
number="2",
pages="227-227",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}