theerasopon, P. and Ritthagol, W. (2020) “Historical Social Perspective and Incidence of Cleft Lip and/or Palate”, Thai Journal of Orthodontics. Songkhla, Thailand, 9(2), pp. 26–32. Available at: https://he01.tci-thaijo.org/index.php/THAIORTHO/article/view/249537 (Accessed: 20 May 2024).