TY - RPRT TI - Linear accelerator output variations and their consequences for megavoltage imaging. AU - M Partridge AU - P M Evans AU - M A Mosleh-Shirazi PY - 1998 DO - 10.1118/1.598318 UR - https://pubmed.ncbi.nlm.nih.gov/9725132/ ID - 9725132 ER -