M. Mortazavi, J. Chalipa, N. Entezari Mogadam, L. Kamali Hakim, and S. Tavakol Davani, “Face Vertical Dimension Change and Incisors Position Following Orthodontic Treatment with Extraction of Four First Premolars”, Regen Reconstr Restor, vol. 4, no. 3, pp. 117–120, Jul. 2019.