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Ramaekers BL, Joore MA, Grutters JP, van den Ende P, Jong Jd, Houben R, Lambin P, Christianen M, Beetz I, Pijls-Johannesma M, Langendijk JA.Ramaekers BL, et al.Oral Oncol. 2011 Aug;47(8):768-74. doi: 10.1016/j.oraloncology.2011.05.012. Epub 2011 Jun 17.Oral Oncol. 2011.PMID: 21683647Free article.