CD71/Ter119-labeled red blood cells in control, 5-Fluorouracil (5-Fu), 5-Fu+EPO and 5-Fu+APs groups. Flow cytometric analysis of red blood cells in the peripheral blood and spleen, CD71 and Ter119 are the red blood cell surface marker protein (A); statistical analysis of CD71/Ter119-labeled red blood cells in peripheral blood (B); statistical analysis of CD71/Ter119-labeled red blood cells in spleen (C). Data are presented as the mean ± standard deviation; ***P < 0.001 versus the control group. PB, peripheral blood; SP, spleen.