负载 miRNA 间充质干细胞源外泌体改善脊髓损伤的作用机制. - 郭 佳; 任亚锋; 李 冰; 黄 靖; 尚文雅; 杨溢珂; 刘慧瑶 (Chinese Journal of Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu, 2025)