@article{article74c7e8b2, title = {Comparison between subtraction radiography and conventional radiographic interpretation during long-term evaluation of periodontal therapy in class II furcation defects}, author = {Cury, Patrícia Ramos and Bowie, Jon and Sallum, Enilson A. and Jeffcoat, Marjorie K. and Araújo, Ney Soares de}, year = {2004}, journal = {Journal of Periodontology} }