@misc{indiciae593232f1ff08, title = {Modelling pencil-beam divergence with the electron pencil-beam redefinition algorithm.}, author = {R A Boyd and K R Hogstrom and R A White and G Starkschall}, year = {2001}, doi = {10.1088/0031-9155/46/11/306}, url = {https://pubmed.ncbi.nlm.nih.gov/11720350/}, note = {Source identifier: 11720350} }