PATEL, J.; SHAH, J. Management of Gingival Hyperpigmentation by Scalpel Surgical Technique: Management of Gingival Hyperpigmentation by Scalpel Surgical Technique. National Journal of Integrated Research in Medicine, [S. l.], v. 8, n. 2, p. 183–189, 2018. DOI: 10.70284/njirm.v8i2.1233. Disponível em: http://www.nicpd.ac.in/ojs-/index.php/njirm/article/view/1233. Acesso em: 8 may. 2025.