Graziani, F. Gennai, S. Roldán, S. Discepoli, N. Buti, J. Madianos, P. Herrera, D., Efficacy of periodontal plastic procedures in the treatment of multiple gingival recessions, Journal of Clinical Periodontology, (41), S63-S76, 2014, 0303-6979, 1600-051X