Extended release promethazine HCl using acrylic polymers by freeze-drying and spray-drying techniques: formulation considerations . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 45, n. 4, p. 829–840, 2009. DOI: 10.1590/S1984-82502009000400029. Disponível em: https://revistas.usp.br/bjps/article/view/10746.. Acesso em: 15 jun. 2024.