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Isolation and identification of hAMSCs. (a) Microscopic observations of passage-0 (P0), passage-1 (P1) and passage-3 (P3) hAMSCs. Scale bar: 200 μm. (b) The immunofluorescent staining of vimentin. Scale bar: 100 μm. (c) The immunofluorescent staining of CK-19. Scale bar: 100 μm.
