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Representative microscopic photographs of TUNEL-stained kidney sections (black arrows) (magnification 400×). Kidneys were obtained from the control (A), iron overload (B), DFO (C), H-Danshen (D) and L-Danshen (E) groups. (F) Scores for TUNEL-positive cells in the kidneys are shown. Data are presented as means ± S.E.M of 15 animals per group. **P<0.01, compared with iron overload group; ##P<0.01, compared with control group.
