Ask, Anders, Maria Albertsson, Johannes Järhult, and Eva Cavallin-ståhl. “A Systematic Overview of Radiation Therapy Effects in Oesophageal Cancer”. Acta Oncologica 42, no. 5-6 (January 1, 2003): 462–473. Accessed May 18, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/26872.