@article{ref1,
title="Understanding and interpreting the National Hospital Ambulatory Medical Care Survey: Key questions and answers",
journal="Annals of emergency medicine",
year="2012",
author="McCaig, Linda F. and Burt, Catharine W.",
volume="60",
number="6",
pages="716-721.e1",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0196-0644",
doi="10.1016/j.annemergmed.2012.07.010",
url="http://dx.doi.org/10.1016/j.annemergmed.2012.07.010"
}