TY - RPRT TI - The effects of age at menarche and first sexual intercourse on reproductive and behavioural outcomes: a Mendelian randomization study AU - Lawn, R. B. AU - Sallis, H. M. AU - Wootton, R. E. AU - Taylor, A. E. AU - Demange, P. AU - Fraser, A. AU - Penton-Voak, I. S. AU - Munafo, M. R. PY - 2018 DO - 10.1101/423251 UR - https://www.biorxiv.org/content/10.1101/423251v1 ID - 10.1101/423251 ER -