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Effect of crude extract of S. dulcis on classification articular cartilage histology. (A) For articular cartilage, the score 0 represents the surface and morphology of intact cartilage (GS). (B) Score 1, an intact surface with superficial fibrillation (GSD). (C) For score 2 there is already a discontinuity of the articular cartilage (GM) surface. (D) For score 4 (GSAL), the surface has vertical crack-like cracks with erosion areas.
