@article{ref1,
title="Project SENSOR: occupational disease and injury surveillance",
journal="Wisconsin medical journal",
year="1989",
author="Anderson, H. A. and Higgins, Derrick and Hanrahan, L. P.",
volume="88",
number="12",
pages="35-38",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0043-6542",
doi="",
url="http://dx.doi.org/"
}