Development and stability assessment of liquid paediatric formulations containing sildenafil citrate . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 49, n. 2, p. 381–388, 2013. DOI: 10.1590/S1984-82502013000200021. Disponível em: https://www.revistas.usp.br/bjps/article/view/68970.. Acesso em: 5 may. 2024.