Mehdi, P. D. J. A., and D. M. S. Kubba. “Comparison of Apical Sealability of Three Obturation Techniques (an in Vitro Study)”. Mustansiria Dental Journal, vol. 9, no. 2, Feb. 2018, pp. 130-6, doi:10.32828/mdj.v9i2.254.