Lima Neto, J.C. et al. 2020. The Effect of Reciprocating and Rotary Systems on Postoperative Endodontic Pain: A Systematic Review and Meta-analysis. Iranian Endodontic Journal. 15, 4 (Oct. 2020), 198–210. DOI:https://doi.org/10.22037/iej.v15i4.23778.