We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleExtraction of tumor motion trajectories using PICCS-4DCBCT: a validation study.AuthorsQi Z; Chen GHPublicationMedical physics, 2011, Vol 38, Issue 10, p5530ISSN0094-2405Publication typearticleDOI10.1118/1.3637501