significant correlations were found between values for the ploidy index ( r = 0.75 , p less than 0.01 ) , the percentage of s-phase cells ( r = 0.82 , p less than 0.01 ) , and the percentage of g2/m-phase cells ( r = 0.69 , p less than 0.05 ) in vivo and in vitro .
C0080129
s-phase
C0007634
cells