TY - RPRT TI - A Test of the Pioneer Factor Hypothesis AU - Hansen, J. L. AU - Cohen, B. A. PY - 2021 DO - 10.1101/2021.08.17.456650 UR - https://www.biorxiv.org/content/10.1101/2021.08.17.456650v1 ID - 10.1101/2021.08.17.456650 ER -