Nair, Geethu G., Rajan G., Supriya N. K., and Sathi P. P. 2017. “Benign Giant Cell Tumor of Bone With Pulmonary Metastasis- Report of Two Cases and Review of Literature”. International Journal of Research in Medical Sciences 5 (3):1131-34. https://doi.org/10.18203/2320-6012.ijrms20170676.