@article{feng_zhang_zhang_ye_2026,  title={M2 Macrophages derived exosomes promoted Periodontal ligament stem cells osteogenic differentiation through secreting CCL18},  volume={81},  ISSN={1807-5932},  url={https://doi.org/10.1016/j.clinsp.2026.100916},  DOI={10.1016/j.clinsp.2026.100916},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Feng, Zhongqiang and Zhang, Yanyan and Zhang, Jun and Ye, Zhangyan},  year={2026},  pages={100916} }