TY - RPRT TI - Investigating the causal effect of maternal vitamin B12 and folate levels on offspring birthweight AU - Moen, G.-H. AU - Beaumont, R. N. AU - Sommer, C. AU - Shields, B. M. AU - Lawlor, D. A. AU - Freathy, R. M. AU - Evans, D. M. AU - Warrington, N. M. PY - 2020 DO - 10.1101/2020.01.21.914655 UR - https://www.biorxiv.org/content/10.1101/2020.01.21.914655v1 ID - 10.1101/2020.01.21.914655 ER -