Development and Optimization of Gastro-Retentive Mucoadhesive Formulation of Hydralazine HCl. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 14, n. 5, p. 550–558, 2022. DOI: 10.25004/IJPSDR.2022.140507. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/4945.. Acesso em: 30 sep. 2025.