Sumi, M., Barua, J., Jan, C., Imtiaz, K., Ahmed, I., & Ahmed, S. (2015). Loss of First Permanent Molar Teeth in Patients Attending in OPDs of Selected Dental Hospitals in Dhaka City. Bangladesh Journal of Dental Research & Education, 5(2), 40-43. https://doi.org/10.3329/bjdre.v5i2.24714