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MiRNAs expression in plasma of non-traumatic osteonecrosis of the femoral head patient. (A) Hierarchical clustering for differentially expressed miRNA in NTFH patients versus healthy control; green, low relative expression; red, high relative expression; FC ≥ 2. (B) qRT-PCR was performed to verify miRNAs expression. Data were expressed as mean ± SD. **P < 0.01 compared with control.
