Ayer, A., Manandhar, T., Agrawal, N., Vikram, M. and Suwal, P. 2017. A comparative study of apical microleakage of different root canal sealers by apical dye penetration. Bangladesh Journal of Medical Science. 16, 2 (Mar. 2017), 219–224. DOI:https://doi.org/10.3329/bjms.v16i2.23421.