Hussein, Hussein A, and Mohammed R Hameed. “A Study to Compare the Cleaning Efficiency of Different Irrigation Systems for Macro Debris Removal in Instrumented Canals (An in Vitro Study)”. Journal of Baghdad College of Dentistry, vol. 27, no. 2, June 2015, pp. 11-16, https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/705.