KANSAL, S.; JINDAL, L.; GARG, K.; THAKUR, K.; MEHTA, S.; PACHORI, H. Discoloration of Teeth: A Literature Review. International Journal of Health and Clinical Research, [S. l.], v. 3, n. 2, p. 58–62, 2020. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/67. Acesso em: 4 jul. 2024.