S. H. A. Saami, A. Abrari, and M. H. A. Bozorgi, Trans., “Case series of synovial chondrosarcoma of the knee joint: A very rare but challenging differential diagnosis in benign synovial lesions”, Indian J Case Reports, vol. 6, no. 4, pp. 157–159, Apr. 2020, doi: 10.32677/IJCR.2020.v06.i04.003.