A MULTIPARAMETER APPROACH TO CELL CYCLE ANALYSIS AS A STANDARD TOOL IN ONCOLOGY DRUG DISCOVERY - Flow Cytometry in Drug Discovery and Development - page 105

FIGURE 5.7 Cell cycle traverse measured by BrdU uptake. (a) 30min pulse, all cells in S phase. (b) 5 h after pulse, most cells are getting into G 2 /M
phase. (c) 8 h after pulse, many cells have already come back to G 0 /G 1 phase. See arrows.