TY - RPRT TI - Batch Effects Remain a Fundamental Barrier to Universal Embeddings in Single-Cell Foundation Models AU - Wang, L. AU - Zhang, C. AU - Zhang, S. PY - 2025 DO - 10.64898/2025.12.19.695371 UR - https://www.biorxiv.org/content/10.64898/2025.12.19.695371v1 ID - 10.64898/2025.12.19.695371 ER -