Flevas, Dimitrios A. Karagiannis, Andreas A. Patsea, Eleni D. Kontogeorgakos, Vasileios A. Chouliaras, Vasileios T., Arthroscopic Removal of Tenosynovial Giant-Cell Tumors of the Cruciate Ligaments. Presentation of Two Cases., Journal of orthopaedic case reports, (11), 23--27, 2021,