Thái, Đinh T., Thắng, N. P., Hà, L. T. T. and Tươi, T. T. (2026) “Clinical and radiographic characteristics of impacted or malpositioned mandibular third molars with moderate to high surgical difficulty according to the Pederson classification”, Journal of Medical Research, 199(2), pp. 75-83. doi: 10.52852/tcncyh.v199i2.4648.