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Levendag PC, Lagerwaard FJ, Noever I, dePan C, vanNimwegen A, Wijers O, Schmitz PI, van Dieren E, Nowak PJ.Levendag PC, et al. Among authors: lagerwaard fj.Int J Radiat Oncol Biol Phys. 2002 Mar 1;52(3):755-68. doi: 10.1016/s0360-3016(01)02719-5.Int J Radiat Oncol Biol Phys. 2002.PMID: 11849799