Abu Hasna, A., Khoury, R.D., Toia, C.C., Gonçalves, G.B., de Andrade, F.B., Carvalho, C.A.T., Camargo, C.H.R. and Valera, M.C. 2020. In vitro Evaluation of the Antimicrobial Effect of N-acetylcysteine and Photodynamic Therapy on Root Canals Infected with Enterococcus faecalis. Iranian Endodontic Journal. 15, 4 (Oct. 2020), 236–245. DOI:https://doi.org/10.22037/iej.v15i4.26865.