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Images of BG 58S samples with 0% Sr2+ before (a) and after immersion in SBF for 7 (b) and 14 days (c); BG samples with 5% Sr2+ before (d) and after immersion in SBF for 7 (e) and 14 days (f). Reprint and adapted from reference [126], copyright (2022), with permission from Ceramics International.
