Maria Renata Giazzi NASSRI, et al. “Apical and Periapical Tissues Responses After Root Canal Obturation With Two Calcium Hydroxid Based Sealers in dog’s Teeth”. Revista Sul-Brasileira De Odontologia, vol. 5, nº 2, junho de 2009, p. 50-6, doi:10.21726/rsbo.v5i2.1274.