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Gotlieb EL, Murray PE, Namerow KN, Kuttler S, Garcia-Godoy F.Gotlieb EL, et al.J Am Dent Assoc. 2008 Apr;139(4):457-65. doi: 10.14219/jada.archive.2008.0189.J Am Dent Assoc. 2008.PMID: 18385030