%0 Journal Article %T Urinary cotinine concentration in flight attendants, in relation to exposure to environmental tobacco smoke during intercontinental flights %A Lindgren, T. %A Willers, S. %A Skarping, G. %A Norbäck, D. %J International Archives of Occupational and Environmental Health %V 72 %N 7 %P 475-479 %@ 0340-0131 %D 1999-10-06 %I Springer-Verlag %~ DeepDyve