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Calvo-Guirado JL, Satorres M, Negri B, Ramirez-Fernandez P, Maté-Sánchez de Val JE, Delgado-Ruiz R, Gomez-Moreno G, Abboud M, Romanos GE.Calvo-Guirado JL, et al. Among authors: negri b.Clin Oral Investig. 2014;18(5):1495-505. doi: 10.1007/s00784-013-1120-2. Epub 2013 Oct 18.Clin Oral Investig. 2014.PMID: 24135774Retracted.