Yan, M, Louie, A V, Kotecha, R, Ashfaq Ahmed, M, Zhang, Z, Guckenberger, M, Kim, M-S, Lo, S S, Scorsetti, M, Tree, A C, Sahgal, A & Slotman, B J 2023, ' Stereotactic body radiotherapy for Ultra-Central lung Tumors : A systematic review and Meta-Analysis and International Stereotactic Radiosurgery Society practice guidelines ', Lung Cancer, vol. 182, 107281 . https://doi.org/10.1016/j.lungcan.2023.107281