KHAN, M. K.; BOKHARI, S. A. H.; HALEEM, A.; KAREEM, A.; KHAN, A. A.; HOSEIN, T.; KHAN, M. U. Extrinsic stain removal with a toothpowder: A randomized controlled trial. International Journal of Health Sciences, [S. l.], v. 8, n. 3, 2014. Disponível em: https://pub.qu.edu.sa/index.php/journal/article/view/828. Acesso em: 22 nov. 2024.