Dietary sources of vitamin B-12 and their association with plasma vitamin B-12 concentrations in the general population: the Hordaland Homocysteine Study
Anna Vogiatzoglou, A. David Smith, Eha Nurk, Paula Berstad, Christian A. Drevon, Per Magne Ueland, Dan Joseph Stein, Grethe S. Tell, Helga Refsum (2009). Dietary sources of vitamin B-12 and their association with plasma vitamin B-12 concentrations in the general population: the Hordaland Homocysteine Study. , 89(4), DOI: https://doi.org/10.3945/ajcn.2008.26598.
