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A Graft maturation signal change (A/P ratio) in all groups together. B Graft maturation signal change (A/P ratio) in control group, PRP group and BMAC + PRP group. *p < 0.05 versus 6 weeks; **p < 0.01 versus 6 weeks; #p < 0.05 between weeks; N.S: no significant difference versus 6 weeks or between weeks; §p < 0.05 versus PCL signal (reference); §§p < 0.01 versus PCL signal (reference)
