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Paraffin-embedded sections were deparaffinized, and immunohistochemistry was performed for porcine collagen type II. All images are representative and taken at 20x and 40x magnification (e.g., panels I and II or panels III and IV, respectively). (A) Unloaded samples at 1 week (panels I and II) and 3 weeks (panels III and IV). (B) Loaded samples at 1 week (panels I and II) and 3 weeks (panels III and IV).
