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van der Maazen RW, Thijssen HO, Kaanders JH, de Koster A, Keyser A, Prick MJ, Grotenhuis JA, Wesseling P, van der Kogel AJ.van der Maazen RW, et al. Among authors: keyser a.Radiother Oncol. 1995 May;35(2):118-22. doi: 10.1016/0167-8140(95)01534-n.Radiother Oncol. 1995.PMID: 7569019Free article.