during exponential growth , 80 to 90 % of cells were in the `` '' rapidly cycling '' '' pool , the clonogenic fraction was 50 to 60 % , and the mean percentage of cells in the g0-g1 , s , and g2 + m phases of the cell cycle was 48.9 +/- 0.6 % ( s.e . ) , 39.4 +/- 0.6 % , and 11.6 +/- 0.3 % , respectively .
C0007634
d t
C0079396
d