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Concentration–response curves for cepharanthine, tetrandrine (16), and dauisolide (17) in triple-negative breast cancer (HCC1937, HCC1806, HCC70, MDA-MB-231, and MDA-MB-453) and pediatric cancer cell lines (Ewing sarcoma, A-673; rhabdomyosarcoma, SJCRH30). Data represent the mean of 3 or 4 experiments, ±SEM.
