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(A) Schematic of pin-based fixation of scaffolds for full-thickness cartilage defects. (B) Study design outlining the Retention and Repair studies with regards to defect size, number of defects per knee, groups, duration, and analyses. (C) Load versus extension curves of pin pullout mechanics. (D) Four small trochlear defects in juvenile animals for Retention study and (E) 2 large trochlear defects in adult animals for Repair study.
