Shahi, S., Rahimi, S., Salem Milani, A., Asghari Jafarabadi, M., & Djoorabbaf Naghsh, G. R. (2011). Comparison of the accuracy of NovApex apex locator and radiographic method: in vivo/ex vivo study. Iranian Endodontic Journal, 6(2), 65–68. https://doi.org/10.22037/iej.v6i2.2072