Emmery, J, Christiansen, O B, Nilsson, L L, Dahl, M, Skovbo, P, Møller, A M, Steffensen, R & F. Hviid, T V 2017, ' Associations between fetal HLA-G genotype and birth and placenta weight in pregnancies complicated by preeclampsia and in uncomplicated pregnancies possible implications for HLA diversity ', Pregnancy Hypertension: An International Journal of Women's Cardiovascular Health, vol. 9, OP 55, pp. 34-35 . https://doi.org/10.1016/j.preghy.2017.07.076