%0 Journal Article %T Measurement methodology for the effects of accident prevention programs. %A Ojanen, K. %A Seppala, A. %A Aaltonen, Markku %J Scandinavian Journal of Work, Environment & Health %D 1988 %8 VL 14 %N 1 %@ 0355-3140 %F Ojanen1988 %U https://www.sjweh.fi/show_abstract.php?abstract_id=1960 %P 95-96