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. Author manuscript; available in PMC: 2022 Mar 28.
Published in final edited form as: Nat Biomed Eng. 2021 Sep 13;5(9):1099–1109. doi: 10.1038/s41551-021-00793-y

Fig. 6 |. Tissue reaction to formulations.

Fig. 6 |

Tissue reactions were analysed 4 days after injection. Scale bars, 100 μm (H&E), 25 μm (toluidine blue) or 2 μm (TEM).