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Sallum, A. W.; Alves, R. de V.; Machion, L.; Casati, M. Z.; Sallum, E. J.; Sallum, E. A. Incidence and Treatment of Furcation Involvements in a Brazilian Dental School. Epidemiologic Data. Braz. J. Oral Sci. 2015, 2, 361-364.