Apte, A. P.; Al-Lozi, R.; Pereira, G.; Johnson, M.; Mansur, D.; El Naqa, I. M. A Graphical Tool and Methods for Assessing Margin Definition From Daily Image Deformations. J Radiat Oncol Inform 2017, 2 (1), 9-19. https://doi.org/10.5166/jroi-2-1-7.