@article{ref1,
title="Measurement methodology for the effects of accident prevention programs",
journal="Scandinavian journal of work, environment and health",
year="1988",
author="Ojanen, K. and Seppala, A. and Aaltonen, Markku V. P.",
volume="14",
number="Suppl 1",
pages="95-96",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0355-3140",
doi="",
url="http://dx.doi.org/"
}