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The IHC for PCNA of the testis of CON and treatment groups PNDs 35. We also detected apoptotic cells at PNDs 07, PNDs 14 and PNDs 21. However, there was no obviously significant differences among the groups in mentioned organ (data not shown). Magnification: 20×. The number of PCNA-positive germ cells were detected by IMAGE-PRO 6.0 and was analyzed by SPSS 20.0 (Version 20.0).
