NUNES, Paula Santos et al. Validation of a UV-VIS Spectrophotometric method for the determination of usnic acid /collagen-based membranes. Scientia Plena, [S. l.], v. 11, n. 9, 2015. DOI: 10.14808/sci.plena.2015.094501. Disponível em: https://scientiaplena.org.br/sp/article/view/094501. Acesso em: 27 jul. 2024.