Agrawal, Rashi, Sudarsan De, Alpana Srivastava, Sweety Gupta, Dinesh Singh, and Sandeep Agrawal. 2013. “Sacral Chordoma Metastatic to Bilateral Clavicle - A Rare Clinical Presentation and Review of Literature”. Asian Journal of Medical Sciences 4 (4):24-27. https://nepjol.info./index.php/AJMS/article/view/7999.