Anne L. Morkbak*, Anne-Mette Hvas, Nils Milman, Ebba Nexo. Holotranscobalamin remains unchanged during pregnancy. Longitudinal changes of cobalamins and their binding proteins during pregnancy and postpartum. Haematologica 2007;92(12):1711-1712; https://doi.org/10.3324/haematol.11636.