TY - RPRT TI - Escort-like somatic cells mediate early mouse fetal ovarian development but surface-derived Lgr5+ cells support primordial follicles AU - Niu, W. AU - Spradling, A. C. PY - 2019 DO - 10.1101/855346 UR - https://www.biorxiv.org/content/10.1101/855346v1 ID - 10.1101/855346 ER -