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Sydnor TA Jr, Scheld WM, Gwaltney J Jr, Nielsen RW, Huck W, Therasse DG.Sydnor TA Jr, et al. Among authors: huck w.Ear Nose Throat J. 1992 May;71(5):225-32.Ear Nose Throat J. 1992.PMID: 1505371Clinical Trial.