Serlo, Joni A., Ilkka J. Helenius, Mika Sampo, Kim Vettenranta, Ulla M. Saarinen-Pihkala, Sanna-Maria Kivivuori, Pekka Riikonen, et al. “Ewing’s Sarcoma Family of Tumors in Finland During 1990–2009: A Population-Based Study”. Acta Oncologica 52, no. 4 (May 1, 2013): 767–775. Accessed July 1, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/28026.