Latifi, S., et al. “Comparison of Ultrasonography and Cone-Beam Computed Tomography Accuracy in Measuring the Soft Tissue Thickness of Maxillary and Mandibular Gingiva in a Sheep Model”. Acta Medica Bulgarica, vol. 50, no. 4, Dec. 2023, pp. 41-46, https://doi.org/10.2478/AMB-2023-0042.