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A comprehensive system for the analysis of portal images.
van Herk M, Bel A, Gilhuijs KG, Vijlbrief RE. van Herk M, et al. Among authors: bel a. Radiother Oncol. 1993 Nov;29(2):221-9. doi: 10.1016/0167-8140(93)90251-3. Radiother Oncol. 1993. PMID: 8310149
Electronic portal imaging.
van Herk M, Bel A, Gilhuijs KG, Lebesque JV, van Dalen A, van der Ven P, Vijlbrief R. van Herk M, et al. Among authors: bel a. Bull Cancer. 1995 Dec;82 Suppl 5:601s-606s. Bull Cancer. 1995. PMID: 8680073 Review.
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