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Representative scanning electron microscope (SEM) images of porous PLGA. Scaffolds were fabricated with small (A, B), medium (C, D), large (E, F), or a mixture of all sizes (G, H) of salt crystals. Scale bars represent 50 μm (A, C, E, G) or 10 μm (B, D, F, H). All images were collected using an accelerating voltage of 1 kV.
