Adl, Alireza, Arash Shahravan, Melika Farshad, and Shahab Honar. 2017. “Success Rate and Time for Bypassing the Fractured Segments of Four NiTi Rotary Instruments”. Iranian Endodontic Journal 12 (3):349-53. https://doi.org/10.22037/iej.v12i3.16866.