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Scratch test to detect the effect of hAMSC-Exo on the migration of BJ fibroblasts
划痕实验检测 hAMSC-Exo 对 BJ 人皮肤成纤维细胞迁移的影响
上排为 0 h，下排为 24 h a. A 组；b. B 组；c. C 组
The upper row for 0 hour and the lower row for 24 hours a. Group A; b. Group B; c. Group C
