Qureshi, Lt Col Muhammad Azhar. “RECURRENT DERMATOFIBROSARCOMA PROTUBERANS OF SCALP: Recurrent Dermatofibrosarcoma Protuberans”. Pakistan Armed Forces Medical Journal, vol. 60, no. 2, June 2010, pp. 321-2, https://www.pafmj.org/PAFMJ/article/view/1826.