Antitumor activity of leaves of Himatanthus drasticus (Mart.) Plumel-Apocynaceae (janaguba) in the treatment of Sarcoma 180 tumor . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 46, n. 2, p. 199–203, 2010. DOI: 10.1590/S1984-82502010000200005. Disponível em: https://journals.usp.br/bjps/article/view/10771.. Acesso em: 22 jul. 2024.