Copaiba oleoresin: evaluation of the presence of polycyclic aromatic hydrocarbons (PAHs) . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 46, n. 3, p. 597–602, 2010. DOI: 10.1590/S1984-82502010000300025. Disponível em: https://revistas.usp.br/bjps/article/view/10815.. Acesso em: 15 jun. 2024.