TY - RPRT TI - A frailty index for UK Biobank participants AU - Williams, D. M. AU - Jylhava, J. AU - Pedersen, N. L. AU - Hagg, S. PY - 2017 DO - 10.1101/233692 UR - https://www.biorxiv.org/content/10.1101/233692v1 ID - 10.1101/233692 ER -