N. I-Tuporn, A. Ratanasiri, T. Nutravong, K. Boonprasert, S. Chatrchaiwiwatana, and T. Na Pikul, “Prevalence rate of Congenital Craniofacial Deformities in Chiang Rai Prachanukroh Hospital, Chiang Rai Province”, SRIMEDJ, vol. 34, no. 2, pp. 169–172, Apr. 2019.