Genetic meta-analysis of twin birth weight shows high genetic correlation with singleton birth weight - Beck, JJ; Pool, R; van de Weijer, M; Chen, X; Krapohl, E; Gordon, SD; Nygaard, M; Debrabant, B; Palviainen, T; van der Zee, MD; Baselmans, B; Finnicum, CT; et al. (Human molecular genetics, 2021)