TY - RPRT TI - PC-index, a composite metric for gene expression in single-cell RNA-seq AU - Zhang, R. PY - 2026 DO - 10.64898/2026.01.21.700965 UR - https://www.biorxiv.org/content/10.64898/2026.01.21.700965v1 ID - 10.64898/2026.01.21.700965 ER -