%0 Journal Article %T CHANGES IN INTRACELLULAR ADP:ATP RATIOS AS A MARKER OF APOPTOSIS %A Tracy D. Simmons %A Kevin J. Slater %A Sharon P.M. Crouch %J The Scientific World Journal %D 2001 %I %R 10.1100/tsw.2001.175 %U http://dx.doi.org/10.1100/tsw.2001.175