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Concentration-dependent cytotoxicity of chloroform fraction in a; malignant melanoma (SKMEL-3), b; breast adenocarcinoma (MCF-7) and c; human myelogenous leukemia (K562) cells. Anti-proliferative activity of the fractions was evaluated after 24, 48 and 72 h of treatments. Values are presented as mean ± SEM of three independent experiments, performed in triplicate.
