Spatially fractionated radiotherapy (GRID) using helical tomotherapy.
Zhang X, Penagaricano J, Yan Y, Liang X, Morrill S, Griffin RJ, Corry P, Ratanatharathorn V. Spatially fractionated radiotherapy (GRID) using helical tomotherapy. J Appl Clin Med Phys. 2016 01 08; 17(1):396-407.