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Correction to: Indian Journal of Orthopaedics https://doi.org/10.1007/s43465-020-00293-2
The original version of this article unfortunately contained some mistakes. Some figures were incorrect and interchanged respectively. The correct assignment of figures is as follows: Figs. 2, 4 and 6 were replaced by new figures. The previous Fig. 2 in the article is actually Fig. 3, the previous Fig. 3 in the article is actually Fig. 5, and the previous Fig. 5 was deleted. In addition, reference [3] was presented incorrectly. The correct figures and reference are given below.
Pathological grade of knee joint cartilage he (× 100). Grade I–IV degeneration of the cartilage of the knee joint: the chondrocyte matrix is unevenly stained and the chondrocytes are disordered; the cartilage surface is rough, the normal structure of the cartilage surface is destroyed, and the matrix is unevenly stained; the chondrocytes are suddenly reduced and the structure is disordered; obviously the cartilage structure was damaged and the chondrocytes were necrotic
The original article has been corrected.
Reference
Chen, D., Shen, J., Zhao, W., et al. (2017). Osteoarthritis: toward a comprehensive understanding of pathological mechanism. Bone Res 5, 16044.
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Shi, L., Wang, K., Yu, J. et al. Correction to: Relationship Between Magnetic Resonance T2-Mapping and Matrix Metalloproteinase 1,3 in Knee Osteoarthritis. JOIO 55, 983–986 (2021). https://doi.org/10.1007/s43465-020-00310-4
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DOI: https://doi.org/10.1007/s43465-020-00310-4