@article{article5622e503, title = {Clinical comparison of cellulose and expanded polytetrafluoroethylene membranes in the treatment of class II furcations in mandibular molars with 6-month re-entry}, author = {Anjos, Beatriz dos and Novaes Júnior, Arthur Belém and Meffert, Roland and Barboza, Eliane Porto}, year = {1998}, journal = {Journal of Periodontology} }