Evaluation of bone regenerative and bioactive potential of β-TCP/PLLA/PGA nanobiomaterial in conjunction with concentrated conditioned media from rapidly expanding clone (REC) of mesenchymal stem cells: A pilot animal study - Ankhtsetseg Shijirbold; Mrunalini Ramanathan; Masako Fujioka-Kobayashi; Nithish Sankepally; Yuhei Matsuda; Yumi Matsuzaki; Yuki Fujita; Takahiro Kanno (PLoS ONE, 2025)