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Circumferential strain as measured by ultrasound of all four groups at week 4 after injury and before any treatment compared to week 12 after treatments. No differences (NS) were observed in the EL-NP-Blank and EL-NP-BB94 groups while in both the EL-NP-PGG and EL-NP-EDTA+EL-NP-PGG groups there was a significant enhancement. (*P < 0.05, Tukey's test,) (n=6). Dashed line shows the circumferential strain in a healthy rat with no injury.
