1.
Pankhem N, Lertpimonchai A , Sompeewong P. Gingival Zenith of the Maxillary Anterior and Premolar Teeth in Normal Gingiva. j dept med ser [Internet]. 2021 Jan. 4 [cited 2022 Oct. 6];45(3):107-15. Available from: https://he02.tci-thaijo.org/index.php/JDMS/article/view/248644