TY - RPRT TI - A cross-tissue POSTN+ fibroblast atlas links periodontal, tumor, and fibrotic stromal niches AU - Wang, C. AU - Yang, H. AU - Lin, M. AU - Wang, Y. AU - Guoli, Y. PY - 2026 DO - 10.64898/2026.05.20.726414 UR - https://www.biorxiv.org/content/10.64898/2026.05.20.726414v1 ID - 10.64898/2026.05.20.726414 ER -