%0 Journal Article %T Health risk evaluation of nitrogen oxides. Epidemiologic studies. %A Pershagen, Göran %A Norberg, Staffan %J Scandinavian Journal of Work, Environment & Health %D 1993 %8 VL 19 %N 2 %@ 0355-3140 %F Pershagen1993 %U https://www.sjweh.fi/show_abstract.php?abstract_id=1514 %P 57-69