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Foreign body granuloma sizes measured in µm. Asterisks denote significance levels of the Kruskal–Wallis analysis. (a) 7 days inner granuloma, (b) seven days outer granuloma, (c) 21 days inner granuloma, (d) 21 days outer Granuloma: * p < 0.05, ** p < 0.01, *** p < 0.001, and **** p < 0.0001.
