Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Wound model. (b) Representative photographs of full-thickness excisional wounds treated with PBS, hAECs-Exo (25 μg/ml), hAECs-Exo (50 μg/ml), and hAECs-Exo (100 μg/ml). (c) H&E staining of wounded skin sections in different groups at day 7, 14, and 21 postwounding. All images are reproduced with permission from Zhao et al., J. Mol. Histol. 48(2), 121–132 (2017). Copyright 2017 Springer Science+Business Media Dordrecht.
