Transcobalamin-II variants, decreased Vitamin B12 availability and increased risk of fraility.

Matteini AM, Walston JD, Bandeen-Roche K, Arking DE, Allen RH, Fried LP, Chakravarti A, Stabler SP, Fallin MD: Transcobalamin-II variants, decreased Vitamin B12 availability and increased risk of fraility. J Nutr Health Aging 14:73-77, 2010. PMID 20082058. PMC3062247.