Lindberg, Sture, Per Karlsson, Bertil Arvidsson, Erik Holmberg, Lena Marie Lundberg, and Arne Wallgren. “Cancer Incidence After Radiotherapy for Skin Haemangioma During Infancy”. Acta Oncologica 34, no. 6 (January 1, 1995): 735–740. Accessed February 16, 2025. https://medicaljournalssweden.se/actaoncologica/article/view/31035.