Acellular dermal matrix as a membrane for guide tissue regeneration in the treatment of class II furcation lesions: a histometric and clinical study in dogs - Andrade, Patrícia Freitas de; Souza, Sérgio Luis Scombatti de; Macedo, Guilherme de Oliveira; Novaes Júnior, Arthur Belém; Grisi, Márcio Fernando de Moraes; Taba Júnior, Mário; Palioto, Daniela Bazan (Journal of Periodontology, 2007)