Mesenchymal stem cells alleviate aging in vitro and in vivo - Liu, Qun; Song, Shaole; Song, Lei; Bi, Youkun; Zhu, Keqi; Qiao, Xinlong; Wang, Huiwen; Gao, Chao; Cai, Hong; Ji, Guangju (Annals of Translational Medicine, 2022)