“Five Osteosarcoma of the Lower Extremity Treated by Rotationplasty: University of the Philippines - Philippine General Hospital Experience”. Acta Medica Philippina 55, no. 3 (June 25, 2021). Accessed April 6, 2025. https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/1768.