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Elferink MA, van Steenbergen LN, Krijnen P, Lemmens VE, Rutten HJ, Marijnen CA, Nagtegaal ID, Karim-Kos HE, de Vries E, Siesling S; Working Group Output of the Netherlands Cancer Registry.Elferink MA, et al.Eur J Cancer. 2010 May;46(8):1421-9. doi: 10.1016/j.ejca.2010.01.025. Epub 2010 Feb 19.Eur J Cancer. 2010.PMID: 20172711