Development of metformin HCl granules using brown flaxseed mucilage as a retardant polymer: effects of polymer and drug ratio. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 59, 2023. DOI: 10.1590/s2175-97902023e22320. Disponível em: https://www.revistas.usp.br/bjps/article/view/212199.. Acesso em: 8 may. 2024.