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Watson RF, Chernock RD, Wang X, Liu W, Ma XJ, Luo Y, Wang H, El-Mofty SK, Lewis JS Jr.Watson RF, et al.Head Neck Pathol. 2013 Sep;7(3):250-7. doi: 10.1007/s12105-013-0438-z. Epub 2013 Mar 28.Head Neck Pathol. 2013.PMID: 23536041Free PMC article.