Couto, R.S.D. et al. 2014. Cytotoxicity of substances leached from a root canal sealer based on mineral trioxide aggregate. Clinical and Laboratorial Research in Dentistry. 20, 3 (Sep. 2014), 145–151. DOI:https://doi.org/10.11606/issn.2357-8041.clrd.2014.63160.