@article{ref1,
title="Current estimates from the National Health Interview Survey, 1993",
journal="Vital and health statistics 10",
year="1994",
author="",
volume="",
number="190",
pages="1-221",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0083-1972",
doi="",
url="http://dx.doi.org/"
}