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Relative expression of (A) TH, (B) PHOX2B and (C) DCX in thawed testicular tissues following contamination by neuroblastoma cell lines (0, 10, 100 and 1,000 cells). Each symbol represents one testicular tissue fragment. Blue, IMR-32 cells; red, SK-N-SH cells. ns, no significant; TH, tyrosine hydroxylase; PHOX2B, paired-like homeobox 2b; DCX, doublecortin.
