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Martínez-González A, Amigó-Borrás V, Fons-Font A, Selva-Otaolaurruchi E, Labaig-Rueda C.Martínez-González A, et al.Quintessence Int. 2001 Jul-Aug;32(7):552-60.Quintessence Int. 2001.PMID: 11495567