Bar Plot from Scientific Research

Expression of hucMSC transcription factors treated with SF. Values are presented as mean SD. The different letter symbols (a, ab, b, bc, c, cd, bcd, d, and e) indicate significant difference between each other (Fisher ' s LSD, P < 0.05 or P < 0.01) in descending order of data from a to z, in which the overlapped letters (e.g., b versus bc, c versus cd, and cd versus d) were statistically but not significantly differed. All experiments were repeated at least three times

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