Ayer, A., T. Manandhar, N. Agrawal, M. Vikram, and P. Suwal. “A Comparative Study of Apical Microleakage of Different Root Canal Sealers by Apical Dye Penetration”. Bangladesh Journal of Medical Science, vol. 16, no. 2, Mar. 2017, pp. 219-24, doi:10.3329/bjms.v16i2.23421.