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The appearance of tumor cells in culture. (A) A375 (human melanoma cells); (B) HepG2 (human liver carcinoma cells); (C) B16-F0 (murine melanoma cells); (D) B164A5 (murine melanoma cells); (E) MCF7 (breast carcinoma cells); and (F) MDA-MB-231 (breast carcinoma cells).
