@misc{indiciaecc0e84c8c112, title = {Monitoring Linear Accelerator Output Constancy Using the PTW Linacheck}, author = {Buckle, Andrew H}, year = {2011}, doi = {10.1016/j.meddos.2009.12.001}, url = {https://www.osti.gov/biblio/21486893}, note = {Source identifier: 21486893} }