Ragnarsson-Olding, Boel K., Per J Nilsson, Lars B. Olding, and Bo R. Nilsson. “Primary Ano-Rectal Malignant Melanomas Within a Population-Based National Patient Series in Sweden During 40 Years”. Acta Oncologica 48, no. 1 (January 1, 2009): 125–131. Accessed May 3, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/25405.