Anwar, N., & Hasan, G. S. (2018). The Effect of Premolar Extraction on Tooth Size Discrepancies of the Patients Treated in Orthodontic Department at BSMMU. Bangladesh Journal of Orthodontics and Dentofacial Orthopedics, 5(1), 13–16. https://doi.org/10.3329/bjodfo.v5i1.35764