TY - RPRT TI - Hematopoietic Stem and Progenitor Cell Aging is Initiated at Middle Age Through Decline in Local Insulin-Like Growth Factor 1 (IGF1) AU - Kira Young AU - Elizabeth Eudy AU - Rebecca Bell AU - Matthew Loberg AU - Tim Stearns AU - Lars Velten AU - Simon Haas AU - Jennifer Trowbridge PY - 2020 DO - 10.1101/2020.07.11.198846 UR - https://www.biorxiv.org/content/10.1101/2020.07.11.198846v1 ID - 10.1101/2020.07.11.198846 ER -