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PEMF improves the blood flow of the ischemic hindlimb. Infrared spectrum imaging assay was performed on day 0 and day 14 after the hindlimb ischemia operation (A and C). The data was analyzed and illustrated as an ischemic/normal hindlimb temperature ratio (B and D). Values are mean ± SEM; n = 6 , N.S. means no significant difference,*means P < 0.05, **means P < 0.01.
