J. A. Lima, V. R. Santos, M. Feres, L. C. de Figueiredo, and P. M. Duarte, “ Changes in the subgingival biofilm composition after coronally positioned flap ”, J Appl Oral Sci, vol. 19, no. 1, pp. 68–73, Feb. 2011, doi: 10.1590/S1678-77572011000100014.