Saeed, A. B., R. A. Alshehri, A. W. Almaassri, A. M. Ahmed, H. A. Nathar, M. A. Barnawi, J. A. Zakzouk, A. M. Alrohaibani, and S. A. Almajaishi. “A Critical Appraisal of Studies on the Cyclic Fatigue Resistance of HyFlex EDM Nickel-Titanium Instrument”. Journal of Pharmaceutical Research International, vol. 34, no. 60, Dec. 2022, pp. 45-53, doi:10.9734/jpri/2022/v34i607272.