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Correlations between relative sperm telomere length (STL) and sperm DNA fragmentation (sDNAfrag) in the post-acrosomal region (PAR). a A significant correlation in the total population (n = 38). b A significant correlation in normozoospermic patients (n = 22). c Absence of a significant correlation in non-normozoospermic patients (n = 16). SQRT, square root; LOG, logarithm; rp, Pearson’s correlation coefficient; P, P value
