Labbaf, Hossein, Kiumars Nazari Moghaddam, Shahriar Shahab, Mahshid Mohammadi-Bassir, and Mohammad Amin Fahimi. 2017. “An In Vitro Comparison of Apically Extruded Debris Using Reciproc, ProTaper Universal, Neolix and Hyflex in Curved Canals”. Iranian Endodontic Journal 12 (3):307-11. https://doi.org/10.22037/iej.v12i3.13540.