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. 2024 Feb 23;20(4):900–930. doi: 10.1007/s12015-023-10675-2

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© The Author(s) 2024

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Fig. 3 — Stem cell EVs as therapeutics for COVID-19. A EVs derived from stem cells of various origins were investigated in the form of whole EVs or specific EV-associated cargos. B EVs are administered via different routes, in both clinical and preclinical studies