Formulation And Evaluation Of Mucoadhesive Buccal Patch By Using Guava Leaves Extract. International Journal of Pharma and Biosciences, India, v. 16, n. 2, p. 41–47, 2025. DOI: 10.22376/ijpbs.v16i2.74. Disponível em: https://lapinjournals.com/index.php/ijpbs/article/view/74. Acesso em: 8 oct. 2026.