“ Antitumor Activity of Leaves of Himatanthus Drasticus (Mart.) Plumel-Apocynaceae (janaguba) in the Treatment of Sarcoma 180 Tumor ”.
Brazilian Journal of Pharmaceutical Sciences 46, no. 2 (June 1, 2010): 199–203. Accessed April 7, 2025.
https://revistas.usp.br/bjps/article/view/10771.