Cytotoxic effects of a triterpene-enriched fraction of Cecropia pachystachya on the human hormone-refractory prostate cancer PC3 cell line - Rosa, H H; Carvalho, P; Ortmann, C F; Schneider, N FZ; Reginatto, F H; Simões, C MO; Silva, I T (Biomed Pharmacother, 2020)