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(a) Relative Wound Width and (b) Relative Wound Area calculated by the in vitro wound-healing assay for 3D-printed pectin films with: 0%, 2.5%, 5%, 10%, 20% and 30% w/w CCP, for 0.1 mg/mL of dissolved patches in the cell culture medium. *** P < 0.05 vs. control.
