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. 2020 Sep 29;13:701–710. doi: 10.2147/CCID.S266015

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© 2020 Cabral et al.

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Photomicrograph of dermal skin biopsies after 30 days of dermal injection of PBS (control for HA: A and B), distilled water (control for PLLA: C and D), HA (E and F), and PLLA (G and H). Arrows indicate the presence of dermal filler. Scale: (A, C, E and G)= 500 μm; (B, D, F and H)= 200 μm.