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. 2012 Nov 21;7(11):e49955. doi: 10.1371/journal.pone.0049955

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© 2012 Feng et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) ECT images of rabbits showed that despite of no difference among the four groups at 2 weeks post-surgery, higher counts were observed in tubular scaffolds (Group C) than other groups (Group A, B and D) since week 4 post-surgery, suggesting enhanced vascularization and metabolic activities. (B) Quantitative measurement of the uptake ratio (T/NT) further confirmed better vascularization and higher metabolic activities of tubular scaffolds than others since week 4 post-surgery (⁺ p<0.05 vs. Group A, B and D).