Formulation and Evaluation of Orphenadrine Citrate as a Model Drug for Topical Hydrogel. Journal Port Science Research, [S. l.], v. 8, n. 1, p. 54–61, 2025. DOI: 10.36371/port.2025.1.10. Disponível em: https://jpsr.uruk.edu.iq/index.php/jport/article/view/288. Acesso em: 27 may. 2026.