@article{ref1,
title="Work injuries among blue-collar workers and disability days. United States, July 1966-June 1967",
journal="Vital and health statistics 10",
year="1972",
author="Brooks, C. H.",
volume="10",
number="68",
pages="1-44",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0083-1972",
doi="",
url="http://dx.doi.org/"
}