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Pantel M, Volk GF, Guntinas-Lichius O, Wittekindt C.Pantel M, et al. Among authors: volk gf.Head Neck. 2013 Jan;35(1):E11-2. doi: 10.1002/hed.21778. Epub 2011 Jun 17.Head Neck. 2013.PMID: 21688341