Beronius, Per, Sevald Forberg, Care O. Henrikson, and Rune Söremark. “Iodine 125 As A Radiation Source With Special Emphasis on Its Applications in Medical Radiology: I. Theoretical Considerations”. Acta Oncologica 3, no. 1 (January 1, 1965): 33–48. Accessed February 17, 2025. https://medicaljournalssweden.se/actaoncologica/article/view/34631.