Figure 7From: Sorting and identification of side population cells in the human cervical cancer cell line HeLaRadiation sensitivity assays of SP, non-SP and Hela cells. SP, non-SP and Hela Cells irradiated at various doses. After 7-day incubation, significant difference were detected between SP and non-SP cells and between SP and Hela cells. Data are presented as the means of three separate experiments, each performed in triplicate. *P < 0.01, t-test.Back to article page