Voutzoulias, Stavros, Nikolaos Demetzis, Ioannis Kyriazoglou, and Dimitris Lekkas. 1997. “Limb Salvage Surgery in Primary Bone Tumors”. Acta Orthopaedica 68 (sup275):101-2. https://doi.org/10.1080/17453674.1997.11744757.