TY - RPRT TI - Open access policies of high impact medical journals: a cross-sectional study AU - Ellison, T. AU - Koder, T. AU - Schmidt, L. AU - Williams, A. AU - Winchester, C. PY - 2018 DO - 10.1101/250613 UR - https://www.biorxiv.org/content/10.1101/250613v1 ID - 10.1101/250613 ER -