Assessing mucin and total protein in periodontal disease before and after nonsurgical periodontal therapy: A comparative study. Cuestiones de Fisioterapia, [S. l.], v. 54, n. 3, p. 1929–1934, 2025. DOI: 10.48047/f4qeae28. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/1371.. Acesso em: 4 feb. 2026.