@article{ref1,
title="Quickstats: percentage of adults with activity limitations, by age group and type of limitation - National Health Interview Survey, United States, 2014",
journal="MMWR: Morbidity and mortality weekly report",
year="2016",
author="",
volume="65",
number="1",
pages="14-14",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0149-2195",
doi="10.15585/mmwr.mm6501a6",
url="http://dx.doi.org/10.15585/mmwr.mm6501a6"
}