Rijal AH, Dhami B, Pandey N, Aryal D. Prevalence of Gingival Pigmentation and its Association with Gingival Biotype and Skin Colour. J Nepal Soc Perio Oral Implantol [Internet]. 2021 Jul. 1 [cited 2024 Nov. 24];5(1):19-25. Available from: https://nepjol.info./index.php/jnspoi/article/view/38178