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Effects of PEMF on capillary density in ischemic hindlimb. CD31-positive cells were stained in the left thigh adductor muscle at day 14 after induction of ischemia (A) Capillary density was identified with capillary per field (× 400 magnification, (B) Values are mean ± SEM; n = 6, N.S. means no significant difference, *means P < 0.05, **means P < 0.01. Scale bar indicated 20 μm.
