TY - RPRT TI - Dissecting causal pathways using Mendelian randomization with summarized genetic data: application to age at menarche and risk of breast cancer AU - Burgess, S. AU - Thompson, D. J. AU - Rees, J. M. B. AU - Day, F. R. AU - Perry, J. R. AU - Ong, K. K. PY - 2017 DO - 10.1101/160663 UR - https://www.biorxiv.org/content/10.1101/160663v1 ID - 10.1101/160663 ER -