van Lee, Charlotte B., et al. “Dermatofibrosarcoma Protuberans Re-Excision and Recurrence Rates in the Netherlands Between 1989 and 2016”. 2019. Acta Dermato-Venereologica, vol. 99, no. 12, Sept. 2022, pp. 1160-5, doi:10.2340/00015555-3287.