Effect of administration routes on the efficacy of human umbilical cord mesenchymal stem cells in type 2 diabetic rats - Tao, Qiqiang; Wu, Youzhi; Pang, Huiwen; Lv, Pinglei; Li, Wenrui; Nie, Xuqiang; Han, Felicity Y. (Frontiers in Endocrinology, 2025)