Logas, C., A. Dunn, D. Lazarra, J. Rubin, E. Saleeby, and B. Glick. “Dermatofibrosarcoma Protuberans Presenting As a Subcutaneous Cystic Nodule”. SKIN The Journal of Cutaneous Medicine, vol. 5, no. 6, Nov. 2021, pp. 689-92, doi:10.25251/skin.5.6.16.