Determinants of Plasma Methylmalonic Acid in a Large Population: Implications for Assessment of Vitamin B12 Status

A Vogiatzoglou, A Oulhaj, A. D Smith, E Nurk, C. A Drevon, P. M Ueland, S. E Vollset, G. S Tell and H. Refsum

Clinical Chemistry 55 ( 12 ): 2198 - 2206 , 2009