Rina Andréa Pelegrine, Carlos Eduardo Fontana, André Antonio Pelegrine, Alexandre Sigrist De Martin, Flávia Casale Abe, Roberta Aranha de Araujo, & Carlos Eduardo da Silveira Bueno. (2013). Persistent infection in root-filled tooth: an SEM morphological analysis after apical microsurgery. Revista Sul-Brasileira De Odontologia, 9(4), 463–7. https://doi.org/10.21726/rsbo.v9i4.1029