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The SEM images of PLLA/PLGA/PCL 30:40:30 composite scaffolds after degradation in vitro for 1, 2, 4, and 8 weeks.
Abbreviations: PCL, poly(ε-caprolactone); PLGA, poly(lactic-co-glycolic acid); PLLA, poly(l-lactic acid); SEM, scanning electron microscope.
