theerasopon P, Ritthagol W. Historical Social Perspective and Incidence of Cleft Lip and/or Palate. Thai J Orthod [internet]. 2020 Sep. 14 [cited 2026 Jan. 8];9(2):26-32. available from: https://he01.tci-thaijo.org/index.php/THAIORTHO/article/view/249537