GASTRORETENTIVE DRUG DELIVERY SYSTEM OF LEVO-SALBUTAMOL SULPHATE: FORMULATION AND IN VITRO EVALUATION. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 8, n. 2, p. 87–90, 2016. DOI: 10.25004/IJPSDR.2016.080204. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/495.. Acesso em: 21 sep. 2025.