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Hyaline cartilage of the tibia after viable meniscal autograft: A – TUNEL staining demonstrating apoptotic cells (JPEG), magn. 200 ×, B – immunohistochemical staining of MMP-1 (JPEG), magn. 400 ×, C – Immunohistochemical staining of MMP-3 (JPEG), magn. 400 ×, D – immunohistochemical staining of TIMP-2 (JPEG), magn. 400 ×
