@misc{indiciaefbeacf204094, title = {Analysing collimator structure effects in head-scatter calculations for IMRT class fields using scatter raytracing.}, author = {S A Naqvi and M Sarfaraz and T Holmes and C X Yu and X A Li}, year = {2001}, doi = {10.1088/0031-9155/46/7/320}, url = {https://pubmed.ncbi.nlm.nih.gov/11474941/}, note = {Source identifier: 11474941} }