Cytoplasm or Supernatant: Where Is the Treasury of the Bioactive Antiaging Factor from Mesenchymal Stem Cells? - Luo, Xuewei; Yin, Jingwen; Cai, Yiwen; Lin, Shuangfeng; Tong, Cailing; Sui, Huaxiu; Ye, Mingzhu; Long, Yufei; Lin, Pingli; Lan, Tianshu (Stem Cells & Development, 2022)