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Viability of human primary lung fibroblasts (MRC-5) and corresponding images (100 × 100 µm2) obtained from scanning electron microscopy (SEM) of unmodified FEP (Pristine); standard tissue polystyrene (Control); and FEP foils modified at 8 W and 240 s and then immersed in polymer solution containing 1, 2, or 3 g of PLLA.
