Schiabel, H., Rodrigues, E.B. e Rubira-Bullen, I.R.F. 2015. A digital subtraction radiography based tool for periodontal bone resorption analysis. Revista Brasileira de Física Médica. 5, 2 (nov. 2015), 155–160. DOI:https://doi.org/10.29384/rbfm.2011.v5.n2.p155-160.