@article{ref1,
title="Implications for the use of E codes of the International Classification of Diseases and narrative data in identifying tractor-related deaths in agriculture, United States, 1980-1986",
journal="Scandinavian journal of work, environment and health",
year="1992",
author="Jenkins, E. L. and Hard, D. L.",
volume="18",
number="Suppl 2",
pages="49-50",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0355-3140",
doi="",
url="http://dx.doi.org/"
}