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Song SA, Sridhara SK, Littlefield PD.Song SA, et al. Among authors: littlefield pd.Otolaryngol Head Neck Surg. 2017 Feb;156(2):353-359. doi: 10.1177/0194599816677693. Epub 2016 Nov 26.Otolaryngol Head Neck Surg. 2017.PMID: 27879419