Lennernäs, Bo, Enrique CastellanoS, Sten Nilsson, and Seymour Levitt. “Four and Five Dimensional Radiotherapy With Reference to Prostate Cancer – Definitions, State of the Art and Further Directions – an Overview”. Acta Oncologica 50, no. sup 1 (June 1, 2011): 104–110. Accessed May 15, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/32278.