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Evaluation of TGF-ß gene expression (PCR size: 305 bp) in the wound bed at 7th days after injury by RT-PCR technique in the treatment groups. 1: Ladder 100 bp, 2: Negative control (H2O) of PCR, 3: Negative control of TGF-ß, 4: Control, 5: Mentha piperita, 6: Mentha piperita &Vaseline, 7: Vaseline
