Böhler, A Collimator based tracking with an add-on multileaf collimator: Moduleaf. [electronic resource] - Physics in medicine and biology Apr 2015 - 3257-69 p. digital Publication Type: Journal Article ISSN: 1361-6560 Standard No.: 10.1088/0031-9155/60/8/3257 doi Subjects--Topical Terms: HumansLung Neoplasms--radiotherapyMovementParticle AcceleratorsPhantoms, ImagingRadiotherapy--instrumentationRadiotherapy Planning, Computer-AssistedRadiotherapy, Image-GuidedRespiratory-Gated Imaging TechniquesSoftware