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Oxygen tension in gastrocnemius muscle and femoral bone marrow at different time points. Oxygen tension in ischemic limb gastrocnemius muscle (A) was significantly lower than in that in control group gastrocnemius muscle and contralateral healthy gastrocnemius muscle at every time point (P<0.05). Oxygen tension in femoral bone marrow (B) showed no significant change at any time point (P>0.05).
