TSIEN, K. C.; CUNNINGHAM, J. R.; WRIGHT, D. J. Effects of Different Parameters on Dose Distributions in Cobalt 60 Planar Rotation. Acta Oncologica, [S. l.], v. 4, n. 2, p. 129–154, 1966. DOI: 10.3109/02841866609133139. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/34529. Acesso em: 19 may. 2026.