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Therapeutic effects of PRF and PDF on ALI rats. A, Histological examination of lung tissue: a-f represent normal, ALI model, PRF (low dose), PRF (high dose), PDF (low dose), PDF (high dose) groups, respectively; B, Results of FBC analysis; C, Levels of inflammatory biomarkers in serum. Data represent as mean ± SD, n = 6. Statistical significance: *P < 0.05 and **P < 0.01 compared with model control.
