I. E. Wakama, R. F. O. A. Ijah, L. U. Iroegbu-Emeruem, M. N. Nkadam, and I. A. Green, “Dermatofibrosarcoma protuberans: case series and literature review at the rivers state university teaching hospital, port Harcourt, Nigeria”, Int Surg J, vol. 12, no. 6, pp. 980–985, May 2025.