Guttormsen, A. B., Ueland, P. M., Nesthus, I., Nygård, O., Schneede, J., Vollset, S. E., & Refsum, H. (1996). Determinants and vitamin responsiveness of intermediate hyperhomocysteinemia (> or = 40 micromol/liter). The Hordaland Homocysteine Study.

Guttormsen, A B., P M. Ueland, I. Nesthus, O. Nygård, J. Schneede, S E. Vollset, و H. Refsum. Determinants and Vitamin Responsiveness of Intermediate Hyperhomocysteinemia (> or = 40 Micromol/liter). The Hordaland Homocysteine Study. 1996.

Guttormsen, A B., et al. Determinants and Vitamin Responsiveness of Intermediate Hyperhomocysteinemia (> or = 40 Micromol/liter). The Hordaland Homocysteine Study. 1996.