Aggarwal, M., D. Manchikanti, S. Misra, S. Thomas, A. Arsia, R. Pusuluri, and S. Kumar. “Rare Giant Dermatofibrosarcoma Protuberans With Uncommon Fibrosarcomatous Transformation: Case Report and Review of Literature”. International Surgery Journal, vol. 8, no. 10, Sept. 2021, pp. 3171-5, doi:10.18203/2349-2902.isj20214018.