Adipose‐derived stem cell exosomes alleviate TGF‐β1‐induced urethral stricture fibrosis by suppressing the TGF‐β/Smad pathway and downstream PDGFR‐β/RAS/ERK signalingTao Liang, Weiguo Chen, Chao Deng et al.|Journal of Cell Communication and Signaling|2025Cited by 3