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. 2020 Jul 29;11:321. doi: 10.1186/s13287-020-01820-6

Fig. 4.

Fig. 4

Micro-pellet sections stained for GAG (Alcian blue), collagen II, X, and I. Scale bar = 400 μm. Refer to Supplementary Figures 4 and 5 for replicate donor results