@misc{indiciaedfa2b8c55427, title = {Optimizing 4D cone-beam CT acquisition protocol for external beam radiotherapy.}, author = {Tianfang Li and Lei Xing}, year = {2006}, doi = {10.1016/j.ijrobp.2006.10.024}, url = {https://pubmed.ncbi.nlm.nih.gov/17197125/}, note = {Source identifier: 17197125} }