Mekkawy, A., and M. Mostafa Elyounsi. “Operating a Recurrent Synovial Sarcoma of the Sternoclavicular Joint: A Case Presentation”. The Egyptian Cardiothoracic Surgeon, Vol. 4, no. 1, Jan. 2022, pp. 1 - 4, doi:10.35810/ects.v4i1.201.