Ferrari, Cristina, M Benassi, Francesca Ponticelli, Gabriella Gamberi, Paola Ragazzini, Laura Pazzaglia, Alba Balladelli, Franco Bertoni, and Piero Picci. “Role of MMP-9 and Its Tissue Inhibitor TIMP-1 in Human OsteosarcomaFindings in 42 Patients Followed for 1–16 Years”. Acta Orthopaedica 75, no. 4 (January 1, 2004): 487–491. Accessed May 25, 2026. https://actaorthop.org/actao/article/view/19584.