slight decreases in the afc response were observed with the addition of b ( a ) p-4,5-epoxide or b ( a ) p-6,12-dione at 2 x 10 ( -6 ) m , whereas a dramatic decrease in the afc response , as well as a 45 % decrease in cell viability , was obtained at 2 x 10 ( -5 ) m .
C0007634
afc
C0007620
cell