Toxicology and safety of the tincture of Operculina alata in patients with functional constipation. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 48, n. 3, p. 469–476, 2012. DOI: 10.1590/S1984-82502012000300014. Disponível em: https://revistas.usp.br/bjps/article/view/47861.. Acesso em: 17 may. 2024.