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. 2020 Dec 22;15:10425–10434. doi: 10.2147/IJN.S287730

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© 2020 Kumar and Goia.

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Images of Sovereign Silver (sample#1), Kaiame Silver (sample #4), Bio-active Silver Sol (sample#5), and Argentyn23 (sample#6) before and after the addition of sodium borohydride.