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PCA dendogram. 1, A375 (human melanoma); 2, HepG2 (human liver carcinoma); 3, B16-F0 (murine melanoma); 4, B164A5 (murine melanoma); 5, MCF7 (human breast carcinoma); and 6, MDA-MB-231 (human breast carcinoma). PCA, principle component analysis.
