TY - RPRT TI - Photon-beam subsource sensitivity to the initial electron-beam parameters. AU - Michael K Fix AU - Paul J Keall AU - Jeffrey V Siebers PY - 2005 DO - 10.1118/1.1884385 UR - https://pubmed.ncbi.nlm.nih.gov/15895600/ ID - 15895600 ER -