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Normalized global frequency graphs of the fiber orientation. The fiber of sequential scaffolds shows multiple peaks of relative frequency, while in co-electrospun scaffolds predominant peaks are observed around 90 °, indicating a greater alignment. Where C0 is a sequential membrane and C1 is a co-electrospun membrane at 0.8 mL / h and B0 is a sequential membrane and B1 co-electrospun membrane at 1.2 mL / h
