Floating ability and drug release evaluation of gastroretentive microparticles system containing metronidazole obtained by spray drying. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 53, n. 1, p. e15218-, 2017. DOI: 10.1590/s2175-97902017000115218. Disponível em: https://revistas.usp.br/bjps/article/view/131422.. Acesso em: 4 may. 2024.