%0 Journal Article %T Risk assessment of essential elements. %A Mertz, W. %J Scandinavian Journal of Work, Environment & Health %D 1993 %8 VL 19 %N 1 %@ 0355-3140 %F Mertz1993 %U https://www.sjweh.fi/show_abstract.php?abstract_id=1548 %P 112-112