A OBAIDI, H.; K AL-KHAYAT, I. Viscous acid etching agent. Al-Rafidain Dental Journal, [S. l.], v. 1, n. 1, p. 40–43, 2001. DOI: 10.33899/rden.2020.165828. Disponível em: https://rden.uomosul.edu.iq/index.php/rden/article/view/35361. Acesso em: 12 jan. 2026.