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. 2022 Mar 17;17:1203–1225. doi: 10.2147/IJN.S358606

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© 2022 Almukainzi et al.

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Reactive dermal collagen fibers (star) at day 9 and day 12-time interval in different groups. (A) Normal healthy, (B and C) Untreated Control, (D and E) Placebo NSs, (F and G) Free GPS, and (H and I) GPS - PLGA NSs (F5). Masson’s trichrome stain 40X.