Kirby, M C A multipurpose phantom for use with electronic portal imaging devices. [electronic resource] - Physics in medicine and biology Feb 1995 - 323-34 p. digital Publication Type: Journal Article ISSN: 0031-9155 Standard No.: 10.1088/0031-9155/40/2/011 doi Subjects--Topical Terms: Equipment DesignHumansModels, TheoreticalRadiography--methodsRadiotherapy--methodsReproducibility of ResultsX-Rays