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Shapiro M, Melmed RN, Sgan-Cohen HD, Eli I, Parush S.Shapiro M, et al. Among authors: melmed rn.Eur J Oral Sci. 2007 Dec;115(6):479-83. doi: 10.1111/j.1600-0722.2007.00490.x.Eur J Oral Sci. 2007.PMID: 18028056Clinical Trial.