... WI38 cells (ATCC, Manassas, VA) were cultured in Eagle's minimum essential medium with
Earle's balanced salt solution, 2 mM L-glutamine (EMEM), 1 mM sodium pyruvate (GIBCO) and 10% FBS at 20% oxygen and 40% oxygen...
http://www.molvis.org/molvis/v7/a10/