Lertnimulchai, Supachai, Keith Godfrey, and Rewadee Lertnimulchai. 2020. “Early Treatment of Unilaterally Severe Horizontally Impacted Maxillary Central and Transversely Impacted Lateral Incisors”. Thai Journal of Orthodontics 8 (2). Songkhla, Thailand:4-12. https://he01.tci-thaijo.org/index.php/THAIORTHO/article/view/249577.